Create dll/kernel/messages directory.

diff --git a/configure b/configure
index 2b10f9c..956b09d 100755
--- a/configure
+++ b/configure
@@ -6862,6 +6862,7 @@
 dlls/ddraw/direct3d \
 dlls/ddraw/dpalette \
 dlls/ddraw/dsurface \
+dlls/kernel/messages \
 "
 for i in $extra_subdirs; do [ -d $i ] || (echo "creating $i" && mkdir $i); done