5763 missing va_end() on return from __fini_daemon_priv()

Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Reviewed by: Marcel Telka <marcel@telka.sk>
Approved by: Richard Lowe <richlowe@richlowe.net>

usr/src/lib/libc/port/gen/privlib.c

@@ -20,6 +20,7 @@
  */
 
 /*
+ * Copyright 2015 Gary Mills
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
@@ -571,10 +572,12 @@ __fini_daemon_priv(const char *priv, ...)
 	priv_set_t *nset;
 	va_list pa;
 
-	va_start(pa, priv);
-
 	if (priv != NULL) {
+
+		va_start(pa, priv);
 		nset = priv_vlist(pa);
+		va_end(pa);
+
 		if (nset == NULL)
 			return;
 
@@ -583,8 +586,6 @@ __fini_daemon_priv(const char *priv, ...)
 		priv_freeset(nset);
 	}
 
-	va_end(pa);
-
 	(void) setpflags(__PROC_PROTECT, 0);
 }