Make unimplemented function message a bit prettier.

diff --git a/dlls/ntdll/exception.c b/dlls/ntdll/exception.c
index 660fa61..92c8fe9 100644
--- a/dlls/ntdll/exception.c
+++ b/dlls/ntdll/exception.c
@@ -235,11 +235,11 @@
     if (rec->ExceptionCode == EXCEPTION_WINE_STUB)
     {
         if (HIWORD(rec->ExceptionInformation[1]))
-            FIXME( "call (from %p) to unimplemented function %s.%s\n",
+            MESSAGE( "wine: Call from %p to unimplemented function %s.%s, aborting\n",
                    rec->ExceptionAddress,
                    (char*)rec->ExceptionInformation[0], (char*)rec->ExceptionInformation[1] );
         else
-            FIXME( "call (from %p) to unimplemented function %s.%ld\n",
+            MESSAGE( "wine: Call from %p to unimplemented function %s.%ld, aborting\n",
                    rec->ExceptionAddress,
                    (char*)rec->ExceptionInformation[0], rec->ExceptionInformation[1] );
     }