main: Don't overrun the file that's read

diff --git a/demos/gtk-demo/main.c b/demos/gtk-demo/main.c
index ce362a288b6f089ac5e06dc2f982bb213e2e3d31..95e841e615cd9364fde6241e81f518785fb80f69 100644 (file)
--- a/demos/gtk-demo/main.c
+++ b/demos/gtk-demo/main.c
@@ -655,7 +655,7 @@ load_file (const gchar *filename)
 
               start = end;
 
-              while (*p != '\n') p++;
+              while (*p && *p != '\n') p++;
 
               state++;
             }