util: Fix build without devmapper

stdlib.h header file needed for getenv was only transitively included
through libdevmapper.h.

diff --git a/src/util/virutil.c b/src/util/virutil.c
index ab3c82f8239ca17fab516f0c364d529c12886696..7f4ecd634d5023c3b563f9e68ca8157c8682fe6c 100644 (file)
--- a/src/util/virutil.c
+++ b/src/util/virutil.c
@@ -26,6 +26,7 @@
 
 #include <config.h>
 
+#include <stdlib.h>
 #include <dirent.h>
 #include <stdio.h>
 #include <stdarg.h>