Another fix for cmake/mac bundle

GUI/main/CMakeLists.txt

@@ -135,10 +135,12 @@ if(UNIX)
 
         set(fixup_path @rpath)
 
-        # handling the case when cmake prefix path contains more than one entry
+        # FIXME handling the case when cmake prefix path contains more than one entry FIXME
+        # the problem here is FixAppleBundle is working in install phase and doesn't see some cmake variables
         set(cmake_prefix_path_to_parse ${CMAKE_PREFIX_PATH})
         list(LENGTH cmake_prefix_path_to_parse len)
         list(GET cmake_prefix_path_to_parse 0 cmake_prefix_path1)
+        set(cmake_prefix_path2 "undefined_cmake_prefix_path2")
         if(len EQUAL 2)
         list(GET cmake_prefix_path_to_parse 1 cmake_prefix_path2)
         endif()