[dia] Remove superfluous inclusion of <assert.h>

[Hans Breuer <hans src gnome org>]

commit 6c3745889814ce902d6fb0a3a7147c54eeb784fb
Author: Hans Breuer <hans breuer org>
Date:   Fri Jun 24 12:05:10 2011 +0200

    Remove superfluous inclusion of <assert.h>

 lib/connpoint_line.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/lib/connpoint_line.h b/lib/connpoint_line.h
index c5a5bab..f79418f 100644
--- a/lib/connpoint_line.h
+++ b/lib/connpoint_line.h
@@ -26,7 +26,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <assert.h>
 #include <math.h>
 #include <glib.h>