diff -Naur a/lib/xwrap.c b/lib/xwrap.c
--- a/lib/xwrap.c	2014-10-02 18:23:27.000000000 +0530
+++ b/lib/xwrap.c	2014-10-06 17:02:50.506940839 +0530
@@ -94,6 +94,7 @@
   va_start(va, format);
 
   vprintf(format, va);
+  va_end(va);
   if (fflush(stdout) || ferror(stdout)) perror_exit("write");
 }