GenPkgConfig.cmake: fix lib list using REGEX REPLACE

modules/GenPkgConfig.cmake

@@ -102,9 +102,9 @@ macro(gpc_convert_libstyle_to_pkgconfig _liblist)
       get_filename_component(dep_libname ${_dep} NAME)
       get_filename_component(dep_libdir  ${_dep} PATH)
       foreach( _ext ${CMAKE_FIND_LIBRARY_SUFFIXES} )
-        string(REPLACE "${_ext}$" "" dep_libname "${dep_libname}")
+        string(REGEX REPLACE "${_ext}$" "" dep_libname "${dep_libname}")
       endforeach()
-      string(REPLACE "^lib" "" dep_libname "${dep_libname}")
+      string(REGEX REPLACE "^lib" "" dep_libname "${dep_libname}")
       list(APPEND ${_liblist} -L${dep_libdir} -l${dep_libname})
     elseif(NOT ${_dep} MATCHES "^-")
       list(APPEND ${_liblist} "-l${_dep}")