If the symbol is a class, and filenames contain the symbol,
Qt Creator also offers to rename the files.

Change-Id: Iba467cc4bf5ec6d4098973c9d391ffaff2f3bc4b
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>