get rid of hwpow. ~so long and thanks for all the wtfish~
fix indentation of previous commit and simplify rc-plane's angle-fix after portal code
update FSF address. note: two sdl include files (by Sam Lantinga) still have the old FSF address in their copyright - but I ain't gonna touch their copyright headers
fixing the remaining PChar issues pas2c ran into to this point, now it stops because of being unable to deal with "set of char"
fix for
issue #777 (IceGun: Segfault when freezing water, with rqBlurryLand enabled)