Index: netcdf-4.1.1/ncdump/dumplib.c
===================================================================
--- netcdf-4.1.1.orig/ncdump/dumplib.c	2009-10-20 06:51:05.000000000 +0200
+++ netcdf-4.1.1/ncdump/dumplib.c	2011-10-25 12:51:04.000000000 +0200
@@ -1005,7 +1005,7 @@
     char *prefix = "0X";
     int prelen = strlen(prefix);
 
-    snprintf(sp, prelen + 1, prefix);
+    snprintf(sp, prelen + 1, "%s", prefix);
     sp += prelen;
     for(i = 0; i < size; i++) {
 	int res;
