[libwnck] WnckPager: be more restrictive on allocation check

[Marco Trevisan <marcotrevi src gnome org>]

commit 72a38cb214edb2310534f0c138e415a5a273dd6b
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Mon Oct 20 10:27:08 2014 -0400

    WnckPager: be more restrictive on allocation check

 libwnck/pager.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libwnck/pager.c b/libwnck/pager.c
index eef90c7..de6ae04 100644
--- a/libwnck/pager.c
+++ b/libwnck/pager.c
@@ -788,8 +788,8 @@ get_workspace_rect (WnckPager    *pager,
 
   gtk_widget_get_allocation (widget, &allocation);
 
-  if (allocation.x == -1 || allocation.y == -1 ||
-      allocation.width == -1 || allocation.height == -1)
+  if (allocation.x < 0 || allocation.y < 0 ||
+      allocation.width < 0 || allocation.height < 0)
     {
       rect->x = 0;
       rect->y = 0;