This patch is fixing build with uclibc where compiler ( gcc5 ) says it cant find va_list
the patch is right for upstreaming as well

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Pending

Index: libtirpc-0.2.5/src/debug.h
===================================================================
--- libtirpc-0.2.5.orig/src/debug.h
+++ libtirpc-0.2.5/src/debug.h
@@ -22,6 +22,7 @@
 #ifndef _DEBUG_H
 #define _DEBUG_H
 #include <syslog.h>
+#include <stdarg.h>
 
 extern int libtirpc_debug_level;
 extern int  log_stderr;