diff -ru heimdal-0.6.3.orig/lib/roken/snprintf-test.c heimdal-0.6.3/lib/roken/snprintf-test.c
--- heimdal-0.6.3.orig/lib/roken/snprintf-test.c	2001-09-13 01:01:16.000000000 +0000
+++ heimdal-0.6.3/lib/roken/snprintf-test.c	2005-03-31 12:40:37.578912592 +0000
@@ -49,14 +49,19 @@
 
     va_start (ap, format);
     ret = vsnprintf (buf1, sizeof(buf1), format, ap);
+    va_end (ap);
+
     if (ret >= sizeof(buf1))
 	errx (1, "increase buf and try again");
+
+    va_start (ap, format);
     vsprintf (buf2, format, ap);
+    va_end (ap);
+
     ret = strcmp (buf1, buf2);
     if (ret)
 	printf ("failed: format = \"%s\", \"%s\" != \"%s\"\n",
 		format, buf1, buf2);
-    va_end (ap);
     return ret;
 }