[gtk] gl renderer: Delete render_texture framebuffer

[Timm Bäder <baedert src gnome org>]

commit 7e502d0752e0704f81596d173a2b41bfdc06f06d
Author: Timm Bäder <mail baedert org>
Date:   Mon May 20 11:08:50 2019 +0200

    gl renderer: Delete render_texture framebuffer

 gsk/gl/gskglrenderer.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gsk/gl/gskglrenderer.c b/gsk/gl/gskglrenderer.c
index e047b84d0d..95310adfed 100644
--- a/gsk/gl/gskglrenderer.c
+++ b/gsk/gl/gskglrenderer.c
@@ -3196,6 +3196,7 @@ gsk_gl_renderer_render_texture (GskRenderer           *renderer,
                                 width, height,
                                 NULL, NULL);
 
+  glDeleteFramebuffers (1, &fbo_id);
   gsk_gl_driver_end_frame (self->gl_driver);
 
   gdk_gl_context_pop_debug_group (self->gl_context);