msxml2: Add an msxml2 library that contains the v2.6 msxml typelib.

configure.ac

diff --git a/configure.ac b/configure.ac
index 1250730..5e1810f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2612,6 +2612,7 @@
 WINE_CONFIG_DLL(msvideo.dll16,enable_win16)
 WINE_CONFIG_DLL(mswsock,,[mswsock])
 WINE_CONFIG_DLL(msxml)
+WINE_CONFIG_DLL(msxml2)
 WINE_CONFIG_DLL(msxml3)
 WINE_CONFIG_TEST(dlls/msxml3/tests)
 WINE_CONFIG_DLL(msxml4)