diff -ru gzip-1.6/lib/strerror_r.c gzip-1.6/lib/strerror_r.c
--- gzip-1.6/lib/strerror_r.c	2013-06-09 22:37:56.000000000 +0200
+++ gzip-1.6/lib/strerror_r.c	2015-07-22 09:56:41.198738128 +0200
@@ -99,7 +99,7 @@
   int result;
 
   va_start (args, format);
-  result = _vsnprintf (buf, buflen, format, args);
+  result = vsprintf (buf, format, args);
   va_end (args);
   if (buflen > 0 && (result < 0 || result >= buflen))
     buf[buflen - 1] = '\0';