Description: Use format string argument with fprintf.
Author: Luca Falavigna <dktrkranz@debian.org>

Index: libvncserver-0.9.9+dfsg/test/encodingstest.c
===================================================================
--- libvncserver-0.9.9+dfsg.orig/test/encodingstest.c	2014-01-01 23:18:41.062142944 +0000
+++ libvncserver-0.9.9+dfsg/test/encodingstest.c	2014-01-01 23:18:41.058142944 +0000
@@ -256,7 +256,7 @@
 
 	time(&log_clock);
 	strftime(buf, 255, "%d/%m/%Y %X (client) ", localtime(&log_clock));
-	fprintf(stderr,buf);
+	fprintf(stderr,"%s",buf);
 
 	vfprintf(stderr, format, args);
 	fflush(stderr);
Index: libvncserver-0.9.9+dfsg/client_examples/gtkvncviewer.c
===================================================================
--- libvncserver-0.9.9+dfsg.orig/client_examples/gtkvncviewer.c	2012-05-04 14:19:00.000000000 +0000
+++ libvncserver-0.9.9+dfsg/client_examples/gtkvncviewer.c	2014-01-01 23:20:14.482142458 +0000
@@ -563,7 +563,7 @@
 
 	time (&log_clock);
 	strftime (buf, 255, "%d/%m/%Y %X ", localtime (&log_clock));
-	fprintf (stdout, buf);
+	fprintf (stdout, "%s", buf);
 
 	vfprintf (stdout, format, args);
 	fflush (stdout);