[gtk] gl renderer: Fix dx/dy handling on hidpi

[Timm Bäder <baedert src gnome org>]

commit 58e8dd1c0d64d8cd4b16cddd464ec77a139102ab
Author: Timm Bäder <mail baedert org>
Date:   Fri Jul 26 16:27:39 2019 +0200

    gl renderer: Fix dx/dy handling on hidpi
    
    Fixes misplaced error squiggles in the node editor.

 gsk/gl/gskglrenderops.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/gsk/gl/gskglrenderops.c b/gsk/gl/gskglrenderops.c
index 862b4357af..d34f2c2405 100644
--- a/gsk/gl/gskglrenderops.c
+++ b/gsk/gl/gskglrenderops.c
@@ -435,7 +435,6 @@ void
 ops_push_modelview (RenderOpBuilder *builder,
                     GskTransform    *transform)
 {
-  float scale = ops_get_scale (builder);
   MatrixStackEntry *entry;
 
   if (G_UNLIKELY (builder->mv_stack == NULL))
@@ -455,7 +454,7 @@ ops_push_modelview (RenderOpBuilder *builder,
       /* Multiply given matrix with current modelview */
 
       t = gsk_transform_translate (gsk_transform_ref (cur->transform),
-                                   &(graphene_point_t) { builder->dx * scale, builder->dy * scale});
+                                   &(graphene_point_t) { builder->dx, builder->dy});
       t = gsk_transform_transform (t, transform);
       entry->transform = t;
     }