Clarify that patches for existing issues should get attached to those issues; otherwise, a new PATCH issue gets filed.
Clarify that patches for existing issues should get attached to those
issues; otherwise, a new PATCH issue gets filed.

* HACKING (Patch submission guidelines)

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@849867 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion