ibase plugin build fails

commit 1580f558472e2c37936fe817fc546a79a8b0a9a5 breaks compile of ibase/firebird plugin

var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:370:5: error: 'QIBaseResultPrivate' does not name a type
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:375:7: error: redefinition of 'class QIBaseResult'
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:350:7: error: previous definition of 'class QIBaseResult'
In file included from ../../../../include/QtSql/5.1.0/QtSql/private/qsqlcachedresult_p.h:1:0,
from /var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:50:
../../../../include/QtSql/5.1.0/QtSql/private/../../../../../../../qtbase/src/sql/kernel/qsqlcachedresult_p.h: In constructor 'QIBaseResult::QIBaseResult(const QIBaseDriver*)':
../../../../include/QtSql/5.1.0/QtSql/private/../../../../../../../qtbase/src/sql/kernel/qsqlcachedresult_p.h:97:30: error: 'QSqlCachedResultPrivate* QSqlCachedResult::d' is private
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:922:5: error: within this context
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:922:41: error: cannot convert 'QIBaseResultPrivate*' to 'QSqlCachedResultPrivate*' in assignment
In file included from ../../../../include/QtSql/5.1.0/QtSql/private/qsqlcachedresult_p.h:1:0,
from /var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:50:
../../../../include/QtSql/5.1.0/QtSql/private/../../../../../../../qtbase/src/sql/kernel/qsqlcachedresult_p.h: In destructor 'virtual QIBaseResult::~QIBaseResult()':
../../../../include/QtSql/5.1.0/QtSql/private/../../../../../../../qtbase/src/sql/kernel/qsqlcachedresult_p.h:97:30: error: 'QSqlCachedResultPrivate* QSqlCachedResult::d' is private
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:927:12: error: within this context
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:927:12: warning: possible problem detected in invocation of delete operator: [enabled by default]
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:927:12: warning: invalid use of incomplete type 'class QSqlCachedResultPrivate' [enabled by default]
In file included from ../../../../include/QtSql/5.1.0/QtSql/private/qsqlcachedresult_p.h:1:0,
from /var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:50:
../../../../include/QtSql/5.1.0/QtSql/private/../../../../../../../qtbase/src/sql/kernel/qsqlcachedresult_p.h:63:7: warning: forward declaration of 'class QSqlCachedResultPrivate' [enabled by default]
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:927:12: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined
In file included from ../../../../include/QtSql/5.1.0/QtSql/private/qsqlcachedresult_p.h:1:0,
from /var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:50:
../../../../include/QtSql/5.1.0/QtSql/private/../../../../../../../qtbase/src/sql/kernel/qsqlcachedresult_p.h: In member function 'virtual bool QIBaseResult::prepare(const QString&)':
../../../../include/QtSql/5.1.0/QtSql/private/../../../../../../../qtbase/src/sql/kernel/qsqlcachedresult_p.h:97:30: error: 'QSqlCachedResultPrivate* QSqlCachedResult::d' is private
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:935:5: error: within this context
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:935:6: error: invalid use of incomplete type 'class QSqlCachedResultPrivate'
In file included from ../../../../include/QtSql/5.1.0/QtSql/private/qsqlcachedresult_p.h:1:0,
from /var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:50:
../../../../include/QtSql/5.1.0/QtSql/private/../../../../../../../qtbase/src/sql/kernel/qsqlcachedresult_p.h:63:7: error: forward declaration of 'class QSqlCachedResultPrivate'
../../../../include/QtSql/5.1.0/QtSql/private/../../../../../../../qtbase/src/sql/kernel/qsqlcachedresult_p.h:97:30: error: 'QSqlCachedResultPrivate* QSqlCachedResult::d' is private
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:939:14: error: within this context
/var/git/qtbase/src/sql/drivers/ibase/qsql_ibase.cpp:939:15: error: invalid use of incomplete type 'class QSqlCachedResultPrivate'

I used a clean build tree

a full compile log for the ibase pluginis attached

Everything built ok 20130128