cmake HAVE_GLIB_GREGEX_H examples

Dushistov/sdcv cmake/FindGLIB2.cmake :214 

CHECK_INCLUDE_FILES ( glib/gregex.h HAVE_GLIB_GREGEX_H )

eranif/codelite cmake/Modules/FindGLIB2.cmake :214 

CHECK_INCLUDE_FILES ( glib/gregex.h HAVE_GLIB_GREGEX_H )

boundary/wireshark cmake/modules/FindGLIB2.cmake :249 

CHECK_INCLUDE_FILES ( glib/gregex.h HAVE_GLIB_GREGEX_H )