Check for failures from CreateNewResourceType

Make sure to check return value before setting bitmask flags.
For most calls, just fails to init the extension.   Since Xinput
already calls FatalError() on initialization failure, so does
failure to allocate Xinput's resource type.

Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com>
Reviewed-by: Keith Packard <keithp@keithp.com>

xfixes/region.c

@@ -64,7 +64,8 @@ Bool
 XFixesRegionInit (void)
 {
     RegionResType = CreateNewResourceType(RegionResFree);
-    return TRUE;
+
+    return (RegionResType != 0);
 }
 
 int