First draft for a msiexec.exe replacement.

diff --git a/configure.ac b/configure.ac
index 5f3c8f6..9dff3a5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1699,6 +1699,7 @@
 programs/cmdlgtst/Makefile
 programs/control/Makefile
 programs/expand/Makefile
+programs/msiexec/Makefile
 programs/notepad/Makefile
 programs/progman/Makefile
 programs/regedit/Makefile