configure.ac: Require at least version 0.3.0 of xkbcommon

https://bugs.freedesktop.org/show_bug.cgi?id=70870
diff --git a/configure.ac b/configure.ac
index ac3878b..a55a415 100644
--- a/configure.ac
+++ b/configure.ac
@@ -75,7 +75,7 @@
 	      enable_xkbcommon=yes)
 if test x$enable_xkbcommon = xyes; then
 	AC_DEFINE(ENABLE_XKBCOMMON, [1], [Build Weston with libxkbcommon support])
-	COMPOSITOR_MODULES="$COMPOSITOR_MODULES xkbcommon"
+	COMPOSITOR_MODULES="$COMPOSITOR_MODULES xkbcommon >= 0.3.0"
 fi
 
 AC_ARG_ENABLE(setuid-install, [  --enable-setuid-install],,