QtAutogen: Only add source files to the target if AUTORCC is ON.

The qtx_add_resources() macro adds the resource file to the output list
to maintain file-level dependencies.  Having the qrc file in a target
sources is a precondition for AUTORCC to function.

When processing the source files of a target, only add the generated
qrc_<file>.cpp to the target sources if AUTORCC is ON.  This avoids
pre-porting conflict with the macro.

Reported-by: Micha Hergarden
Help: Specify that qtmain.lib is only used for WIN32 executables.
FindOpenSSL: Honor OPENSSL_ROOT_DIR everywhere (#14735)

In commit v2.8.5~176^2~2 (FindOpenSSL: We should only use hints to find
OpenSSL, 2011-03-28) values for HINTS and PATHS of find_* calls were
computed everywhere but only used on Windows.  Use them everywhere.
Merge topic 'fix-Qt-autogen'

8f8edeb0 QtAutogen: Only add source files to the target if AUTORCC is ON.
Merge topic 'Qt4-WIN32-doc'

0f5dfd10 Help: Specify that qtmain.lib is only used for WIN32 executables.
Merge topic 'FindOpenSSL-root-dir'

12d6eb63 FindOpenSSL: Honor OPENSSL_ROOT_DIR everywhere (#14735)