gd: fix gdlib-config/devel package
gd: fix gdlib-config/devel package

* move gdlib-config to the devel package
* all libraries listed by gdlib-config added as requirements to
  the devel package

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