mkdir kex unit test directory so testing out of tree builds works
diff --git a/Makefile.in b/Makefile.in
index 4c20c46..40cc7aa 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -445,6 +445,8 @@
mkdir -p `pwd`/regress/unittests/bitmap
[ -d `pwd`/regress/unittests/hostkeys ] || \
mkdir -p `pwd`/regress/unittests/hostkeys
+ [ -d `pwd`/regress/unittests/kex ] || \
+ mkdir -p `pwd`/regress/unittests/kex
[ -f `pwd`/regress/Makefile ] || \
ln -s `cd $(srcdir) && pwd`/regress/Makefile `pwd`/regress/Makefile