invalid paths in Creator's Makefile for qdoc3 and qhelpgenerator

OS: Linux (RedHat4-based)

After running "qmake -r qtcreator.pro", in Makefile file there are these incorrect directories mentioned:

line 197: section html_docs: SRCDIR: /tools/qdoc3/qdoc3

line 200: section qch_docs: html_docs: /bin/qhelpgenerator

line 209: section install_gch_docs: html_docs FORCE: /bin/qhelpgenerator

These directories are incorrect ones, both qdoc3 and qhelpgenerator should be loaded from Qt libraries' bin directory;
no references to local (not-existing) /bin or /tools should be used