Implement stdole2.tlb.

diff --git a/configure.ac b/configure.ac
index d357ae3..afe6113 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1686,6 +1686,7 @@
 dlls/shlwapi/Makefile
 dlls/shlwapi/tests/Makefile
 dlls/snmpapi/Makefile
+dlls/stdole2.tlb/Makefile
 dlls/stdole32.tlb/Makefile
 dlls/sti/Makefile
 dlls/strmiids/Makefile