* config/detfun.mk
* config/detect.mk
+ Added positive platform/compiler filters.
+ Simplified internal platform/compiler filter syntax, now it's
one unified list where compiler/platform can be mixed and
negative filters can be passed by using '!' char prefix.
! In comment text.
* source/rtl/gtsln/Makefile
! Fixed silly copy-paste mistake in recent autodetection changes.
Thanks to Tamas Tevesz for spotting it.
* source/rtl/gtsln/mousesln.c
* Using macros instead of a constants.
(2 -> STDERR_FILENO)