cvs: Fix hard-coded perl paths, build with external zlib
cvs: Fix hard-coded perl paths, build with external zlib

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