tuxpaint: enable x86_64.
tuxpaint: enable x86_64.

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