Fix signed to unsigned comparisons reported by g++ 6.1.0

1 files changed, 1 insertions, 1 deletions

diff --git a/vnc/vnc.c b/vnc/vnc.c
index a72c8dd1..99245b53 100644
--- a/vnc/vnc.c
+++ b/vnc/vnc.c
@@ -587,7 +587,7 @@ lib_framebuffer_update(struct vnc *v)
     int cy;
     int srcx;
     int srcy;
-    int encoding;
+    unsigned int encoding;
     int Bpp;
     int pixel;
     int r;