This adds all the symbols related to GFile GIOStream support that was
recently added.
g_file_replace_contents
g_file_replace_contents_async
g_file_replace_contents_finish
+g_file_create_readwrite
+g_file_create_readwrite_async
+g_file_create_readwrite_finish
+g_file_open_readwrite
+g_file_open_readwrite_async
+g_file_open_readwrite_finish
+g_file_replace_readwrite
+g_file_replace_readwrite_async
+g_file_replace_readwrite_finish
#endif
#endif