mscoree: Add cor.h and mscoree.idl and fix some semi-stub prototypes.
diff --git a/.gitignore b/.gitignore
index 2fdb222..94a13c9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -725,6 +725,7 @@
 include/mimeinfo.h
 include/mlang.h
 include/mmstream.h
+include/mscoree.h
 include/mshtmhst.h
 include/mshtml.h
 include/msinkaut.h