Added common dialogs test program.

diff --git a/configure.in b/configure.in
index d6304c6..b54f898 100644
--- a/configure.in
+++ b/configure.in
@@ -637,6 +637,7 @@
 ole/Makefile
 programs/Makefile
 programs/clock/Makefile
+programs/cmdlgtst/Makefile
 programs/control/Makefile
 programs/avitools/Makefile
 programs/notepad/Makefile