Changes stub to FIXME for GetGlobalFontLinkObject.

diff --git a/include/mlang.idl b/include/mlang.idl
index 7942084..fa5346b 100644
--- a/include/mlang.idl
+++ b/include/mlang.idl
@@ -556,6 +556,7 @@
 cpp_quote("STDAPI Rfc1766ToLcidW(LCID *, LPCWSTR);")
 cpp_quote("#define Rfc1766ToLcid WINELIB_NAME_AW(Rfc1766ToLcid)")
 
+cpp_quote("STDAPI GetGlobalFontLinkObject(void);")
 cpp_quote("STDAPI IsConvertINetStringAvailable(DWORD, DWORD);")
 cpp_quote("STDAPI ConvertINetString(LPDWORD, DWORD, DWORD, LPCSTR, LPINT, LPSTR, LPINT);")
 cpp_quote("STDAPI ConvertINetMultiByteToUnicode(LPDWORD, DWORD, LPCSTR, LPINT, LPWSTR, LPINT);")