[mutter] constraints: Remove unused variable

[Debarshi Ray <debarshir src gnome org>]

commit 5d57a2594d27286cf58ea09a6acbbf13d3a44630
Author: Debarshi Ray <debarshir gnome org>
Date:   Sat Jul 14 15:03:54 2012 +0200

    constraints: Remove unused variable

 src/core/constraints.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/src/core/constraints.c b/src/core/constraints.c
index eb14647..2857f67 100644
--- a/src/core/constraints.c
+++ b/src/core/constraints.c
@@ -767,8 +767,6 @@ constrain_modal_dialog (MetaWindow         *window,
   y = parent->rect.y + (parent->rect.height / 2 - info->current.height / 2);
   if (parent->frame)
     {
-      MetaFrameBorders borders;
-
       x += parent->frame->rect.x;
       y += parent->frame->rect.y;
     }