[gtk] gl renderer: Fix only_translation check

[Timm Bäder <baedert src gnome org>]

commit 538491efa1d0124176c005ff33fb6e8b27378b94
Author: Timm Bäder <mail baedert org>
Date:   Thu Nov 29 15:39:14 2018 +0100

    gl renderer: Fix only_translation check

 gsk/gl/gskglrenderops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gsk/gl/gskglrenderops.c b/gsk/gl/gskglrenderops.c
index 85026d8e63..21dbb59029 100644
--- a/gsk/gl/gskglrenderops.c
+++ b/gsk/gl/gskglrenderops.c
@@ -83,7 +83,7 @@ extract_matrix_metadata (const graphene_matrix_t *m,
   }
 
 out:
-  md->only_translation = (md->simple && md->scale_x == 0 && md->scale_y == 0);
+  md->only_translation = (md->simple && md->scale_x == 1 && md->scale_y == 1);
 }