Initialize a variable in all cases

Fix a warning with some GCCs:
/src/qemu/ui/vnc-enc-tight.c: In function `send_sub_rect_nojpeg':
/src/qemu/ui/vnc-enc-tight.c:1458: warning: `ret' might be used uninitialized in this function

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/ui/vnc-enc-tight.c b/ui/vnc-enc-tight.c
index 71f3fa3d39..4a6aca2d57 100644
--- a/ui/vnc-enc-tight.c
+++ b/ui/vnc-enc-tight.c
@@ -1469,6 +1469,8 @@ static int send_sub_rect_nojpeg(VncState *vs, int x, int y, int w, int h,
         ret = send_mono_rect(vs, x, y, w, h, bg, fg);
     } else if (colors <= 256) {
         ret = send_palette_rect(vs, x, y, w, h, palette);
+    } else {
+        ret = 0;
     }
     return ret;
 }