add Vim C-indent options to C/C++ template modeline

So we get those at least for new files.

Change-Id: I33b3dcc55a94802c139d8747683a64854e64ad9c

TEMPLATE.SOURCECODE.HEADER

@@ -39,7 +39,7 @@ For C/C++/Java/IDL etc.
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 ...
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
 
 For makefiles: