Fix BSD breakage from r6736

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6742 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/osdep.c b/osdep.c
index 04e98f0..ff5f17a 100644
--- a/osdep.c
+++ b/osdep.c
@@ -33,6 +33,9 @@
 #include <sys/statvfs.h>
 #endif
 
+/* Needed early for _BSD etc. */
+#include "config-host.h"
+
 #ifdef _WIN32
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>