Move the Dll init function to compobj.c to avoid having global
variables. Remove need of ole32_main.h.

diff --git a/dlls/ole32/compobj_private.h b/dlls/ole32/compobj_private.h
index 5e3df82..7e5ddbb 100644
--- a/dlls/ole32/compobj_private.h
+++ b/dlls/ole32/compobj_private.h
@@ -254,4 +254,6 @@
 # define DEBUG_CLEAR_CRITSEC_NAME(cs)
 #endif
 
+extern HINSTANCE OLE32_hInstance; /* FIXME: make static */
+
 #endif /* __WINE_OLE_COMPOBJ_H */