cppcheck: make settings files/dir writable (#5169)
cppcheck: make settings files/dir writable (#5169)

Fixes #3203
Begasus/haikuports,haikuports/haikuports,haikuports/haikuports,haikuports/haikuports,haikuports/haikuports,moochris/haikuports,moochris/haikuports,Begasus/haikuports,Begasus/haikuports,Begasus/haikuports,moochris/haikuports,Begasus/haikuports,haikuports/haikuports