[PATCH 06/12] ui/gtk-gl-area: Plug memleak in gd_gl_area_create_context()

[Pan Nengyuan]

Receiving error in local variable err, and forgot to free it.
Considering that there is no place to deal with it. Clean up.

Reported-by: Euler Robot <euler.ro...@huawei.com>
Signed-off-by: Pan Nengyuan <pannengy...@huawei.com>
---
Cc: Gerd Hoffmann <kra...@redhat.com>
---
 ui/gtk-gl-area.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/ui/gtk-gl-area.c b/ui/gtk-gl-area.c
index 85f9d14c51..c740a7eb14 100644
--- a/ui/gtk-gl-area.c
+++ b/ui/gtk-gl-area.c
@@ -142,15 +142,14 @@ QEMUGLContext 
gd_gl_area_create_context(DisplayChangeListener *dcl,
     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
     GdkWindow *window;
     GdkGLContext *ctx;
-    GError *err = NULL;
 
     gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
     window = gtk_widget_get_window(vc->gfx.drawing_area);
-    ctx = gdk_window_create_gl_context(window, &err);
+    ctx = gdk_window_create_gl_context(window, NULL);
     gdk_gl_context_set_required_version(ctx,
                                         params->major_ver,
                                         params->minor_ver);
-    gdk_gl_context_realize(ctx, &err);
+    gdk_gl_context_realize(ctx, NULL);
     return ctx;
 }
 
-- 
2.18.2