gobject/gtype.h: Fix _G_TYPE_CVH macro. Fixes #597194

If __val doesn't exist, we shouldn't do any other checks.

diff --git a/gobject/gtype.h b/gobject/gtype.h
index 7920ec2..860b518 100644 (file)
--- a/gobject/gtype.h
+++ b/gobject/gtype.h
@@ -1497,7 +1497,7 @@ G_GNUC_INTERNAL void    g_signal_init           (void); /* sync with gsignal.c *
   GValue *__val = (GValue*) vl; GType __t = gt; gboolean __r; \
   if (!__val) \
     __r = FALSE; \
-  if (__val->g_type == __t) \
+  else if (__val->g_type == __t)               \
     __r = TRUE; \
   else \
     __r = g_type_check_value_holds (__val, __t); \