Revision 421511

- Update to 3.6.7 (changes: http://www.scintilla.org/ScintillaHistory.html)
- Silence mkdir
- Add "-soname" linker option to create SONAME for scintilla libraries (fixes stage-qa)

PR:		212404
Submitted by:	lightside@gmx.com
Approved by:	cyberbotx@cyberbotx.com (maintainer)