[mutter] shaped-texture: Move variable declaration on top

[Florian Müllner <fmuellner src gnome org>]

commit 556ed7b93753439b09f85c86ce81e205ee1c20de
Author: Jonas Ådahl <jadahl gmail com>
Date:   Fri Sep 14 18:46:40 2018 +0200

    shaped-texture: Move variable declaration on top
    
    Related: https://gitlab.gnome.org/GNOME/mutter/issues/300

 src/compositor/meta-shaped-texture.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/compositor/meta-shaped-texture.c b/src/compositor/meta-shaped-texture.c
index ca6b39225..5378b6c75 100644
--- a/src/compositor/meta-shaped-texture.c
+++ b/src/compositor/meta-shaped-texture.c
@@ -417,6 +417,7 @@ meta_shaped_texture_paint (ClutterActor *actor)
   MetaShapedTexture *stex = (MetaShapedTexture *) actor;
   MetaShapedTexturePrivate *priv = stex->priv;
   int tex_width, tex_height;
+  cairo_rectangle_int_t tex_rect;
   guchar opacity;
   CoglContext *ctx;
   CoglFramebuffer *fb;
@@ -481,7 +482,7 @@ meta_shaped_texture_paint (ClutterActor *actor)
   if (tex_width == 0 || tex_height == 0) /* no contents yet */
     return;
 
-  cairo_rectangle_int_t tex_rect = { 0, 0, tex_width, tex_height };
+  tex_rect = (cairo_rectangle_int_t) { 0, 0, tex_width, tex_height };
 
   /* Use nearest-pixel interpolation if the texture is unscaled. This
    * improves performance, especially with software rendering.