--- mstools/samples/rpc/whello/whellop.c	2018/08/09 18:20:56	1.1
+++ mstools/samples/rpc/whello/whellop.c	2018/08/09 18:22:02	1.1.1.2
@@ -15,7 +15,7 @@
 #include <rpc.h>
 #include "whello.h"
 
-void HelloProc(char * pszString)
+void HelloProc(unsigned char * pszString)
 {
     printf("%s\n", pszString);
 }