move MSVC externals to subdir

see http://nabble.documentfoundation.org/move-external-builds-into-subfolder-fdo-70393-td4078160.html for details

Change-Id: I5ebf3a6162a8f977d1ddf0d445f076afd53332e4
Reviewed-on: https://gerrit.libreoffice.org/6265Reviewed-by: Björn Michaelsen <bjoern.michaelsen@canonical.com>
Tested-by: Björn Michaelsen <bjoern.michaelsen@canonical.com>

external/Module_external.mk

@@ -22,12 +22,7 @@ $(eval $(call gb_Module_add_targets,external,\
 endif
 
 ifeq ($(COM),MSC)
-$(eval $(call gb_Module_add_targets,external,\
-	Package_dbghelp \
-	$(if $(MSM_PATH),Package_msms) \
-	Package_msvc_dlls \
-	$(if $(filter YES,$(WITH_MOZAB4WIN)),Package_msvc80_dlls) \
-))
+$(eval $(call gb_Module_add_moduledir,external,msc-externals))
 endif
 
 ifeq ($(HAVE_READDIR_R),NO)

external/msc-externals/Module_msc-externals.mk

+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_Module_Module,msc-externals))
+
+$(eval $(call gb_Module_add_targets,msc-externals,\
+	Package_dbghelp \
+	$(if $(MSM_PATH),Package_msms) \
+	Package_msvc_dlls \
+	$(if $(filter YES,$(WITH_MOZAB4WIN)),Package_msvc80_dlls) \
+))
+
+# vim: set noet sw=4 ts=4: