Removed compilation warning of signed/unsigned comparison.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10160 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 1 insertions, 1 deletions

diff --git a/FL/Fl_Copy_Surface.H b/FL/Fl_Copy_Surface.H
index fc116f3b5..29da059b9 100644
--- a/FL/Fl_Copy_Surface.H
+++ b/FL/Fl_Copy_Surface.H
@@ -102,7 +102,7 @@ public:
 class Fl_GDI_Surface_ : public Fl_Paged_Device {
   int width;
   int height;
-  int depth;
+  unsigned depth;
   POINT origins[10];
 public:
   static const char *class_id;