rcs: add missing $secondaryArchSuffix
rcs: add missing $secondaryArchSuffix

Also fix the copyright, and some other misc. changes.

nielx/haikuports,Begasus/haikuports,koletzky/haikuports,miqlas/haikuports,moochris/haikuports,Begasus/haikuports,moochris/haikuports,haikuports/haikuports,Begasus/haikuports,koletzky/haikuports,haikuports/haikuports,Begasus/haikuports,haikuports/haikuports,miqlas/haikuports,haikuports/haikuports,koletzky/haikuports,nielx/haikuports,moochris/haikuports,haikuports/haikuports,Begasus/haikuports,nielx/haikuports,miqlas/haikuports