move mingw-externals to subdir

Change-Id: I324225ac397d8e4bb1f58f0b8040eb08b7142ee9
Reviewed-on: https://gerrit.libreoffice.org/6277Tested-by: LibreOffice gerrit bot <gerrit@libreoffice.org>
Reviewed-by: Björn Michaelsen <bjoern.michaelsen@canonical.com>
Tested-by: Björn Michaelsen <bjoern.michaelsen@canonical.com>

external/Module_external.mk

@@ -10,12 +10,7 @@
 $(eval $(call gb_Module_Module,external))
 
 ifeq ($(OS)$(COM),WNTGCC)
-$(eval $(call gb_Module_add_targets,external,\
-	CustomTarget_jawt \
-	Package_jawt \
-	Package_mingw_dlls \
-	Package_mingw_gccdlls \
-))
+$(eval $(call gb_Module_add_moduledir,external,mingw-externals))
 endif
 
 ifeq ($(COM),MSC)

external/mingw-externals/Module_mingw-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 $(call gb_Module_Module,mingw-externals))
+
+ifeq ($(OS)$(COM),WNTGCC)
+$(eval $(call gb_Module_add_targets,mingw-externals,\
+	CustomTarget_jawt \
+	Package_jawt \
+	Package_mingw_dlls \
+	Package_mingw_gccdlls \
+))
+endif
+
+# vim: set noet sw=4 ts=4: