[gtk+] gdkdisplay: Remove a pointless assignment

[Daniel Boles <dboles src gnome org>]

commit b3ab230aac83a81e3ba0526aeaa295f614a97862
Author: Daniel Boles <dboles src gnome org>
Date:   Sun Aug 6 01:11:34 2017 +0100

    gdkdisplay: Remove a pointless assignment
    
    https://bugzilla.gnome.org/show_bug.cgi?id=784016

 gdk/gdkdisplay.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/gdk/gdkdisplay.c b/gdk/gdkdisplay.c
index cf61a63..09b95ea 100644
--- a/gdk/gdkdisplay.c
+++ b/gdk/gdkdisplay.c
@@ -2053,9 +2053,7 @@ gdk_error_trap_pop_internal (gboolean need_code)
   result = 0;
   for (l = trap->displays; l != NULL; l = l->next)
     {
-      gint code = 0;
-
-      code = class->pop_error_trap (l->data, !need_code);
+      gint code = class->pop_error_trap (l->data, !need_code);
 
       /* we use the error on the last display listed, why not. */
       if (code != 0)