add gst_type_find_helper_for_extension to the win32 defs file

diff --git a/win32/common/libgstbase.def b/win32/common/libgstbase.def
index a87b23b..b417fba 100644 (file)
--- a/win32/common/libgstbase.def
+++ b/win32/common/libgstbase.def
@@ -159,4 +159,5 @@ EXPORTS
        gst_push_src_get_type
        gst_type_find_helper
        gst_type_find_helper_for_buffer
+       gst_type_find_helper_for_extension
        gst_type_find_helper_get_range