[gtk-vnc] Fix logic for removing unwanted encodings

[Jonh Wendell <jwendell src gnome org>]

commit 92eff8f475141f56b9576d3974767f0db0a4005c
Author: Jonh Wendell <jwendell gnome org>
Date:   Thu Sep 2 11:16:47 2010 -0300

    Fix logic for removing unwanted encodings

 src/vncdisplay.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/src/vncdisplay.c b/src/vncdisplay.c
index 9ef9841..65b8c3b 100644
--- a/src/vncdisplay.c
+++ b/src/vncdisplay.c
@@ -1263,10 +1263,9 @@ static void on_initialized(VncConnection *conn G_GNUC_UNUSED,
 #define REMOVE_ENCODING(e)                                             \
 	for (i = 0 ; i < n_encodings ; i++) {			       \
 		if (encodings[i] == e) {			       \
-			encodings[i] = 0;			       \
 			if (i < (n_encodings - 1))		       \
-				memmove(encodings,		       \
-					encodings + i,		       \
+				memmove(encodings + i,		       \
+					encodings + (i + 1),	       \
 					sizeof(gint32) *	       \
 					(n_encodings - (i + 1)));      \
 			n_encodings--;				       \