zebra: Fix some warnings found during compile.

This commit fixes some warnings found in Martin's Testbed
that compiles sun solaris and freebsd images.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
diff --git a/zebra/ioctl_solaris.c b/zebra/ioctl_solaris.c
index 12737cb..b5bf1cc 100644
--- a/zebra/ioctl_solaris.c
+++ b/zebra/ioctl_solaris.c
@@ -28,6 +28,7 @@
 #include "ioctl.h"
 #include "log.h"
 #include "privs.h"
+#include "vty.h"
 
 #include "zebra/rib.h"
 #include "zebra/rt.h"