Partial implementation of advpack.RegInstall.

diff --git a/configure.ac b/configure.ac
index 4f16aac..f579251 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1539,6 +1539,7 @@
 dlls/Makefile
 dlls/advapi32/Makefile
 dlls/advapi32/tests/Makefile
+dlls/advpack/Makefile
 dlls/amstream/Makefile
 dlls/atl/Makefile
 dlls/avicap32/Makefile