Fix BSD breakage from r6736

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6742 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/vl.c b/vl.c
index 00aae19..804c835 100644
--- a/vl.c
+++ b/vl.c
@@ -29,6 +29,9 @@
 #include <sys/time.h>
 #include <zlib.h>
 
+/* Needed early for _BSD etc. */
+#include "config-host.h"
+
 #ifndef _WIN32
 #include <pwd.h>
 #include <sys/times.h>