fix for uninitialized variables (part of Pablos' patch)
fix for uninitialized variables (part of Pablos' patch)

DaveRichmond-/vigra,ThomasWalter/vigra,xiwei-zhang/vigra,martinsch/vigra,cha007/vigra,dstoe/vigra,capturePointer/vigra,cha007/vigra,dstoe/vigra,capturePointer/vigra,kod3r/vigra,kod3r/vigra,cbecker/vigra,cbecker/vigra,timoMa/vigra,DaveRichmond-/vigra,funkey/vigra,ThomasWalter/vigra,cha007/vigra,cha007/vigra,dstoe/vigra,mmuellner/vigra,martinsch/vigra,dstoe/vigra,dagophil/vigra,capturePointer/vigra,kod3r/vigra,mmuellner/vigra,DaveRichmond-/vigra,psteinb/vigra,dstoe/vigra,dagophil/vigra,kod3r/vigra,cbecker/vigra,funkey/vigra,cha007/vigra,funkey/vigra,xiwei-zhang/vigra,dagophil/vigra,xiwei-zhang/vigra,dagophil/vigra,hmeine/vigra,cbecker/vigra,martinsch/vigra,ThomasWalter/vigra,psteinb/vigra,martinsch/vigra,mmuellner/vigra,DaveRichmond-/vigra,capturePointer/vigra,hmeine/vigra,timoMa/vigra,hmeine/vigra,psteinb/vigra,kod3r/vigra,mmuellner/vigra,mmuellner/vigra,xiwei-zhang/vigra,hmeine/vigra,funkey/vigra,timoMa/vigra,ThomasWalter/vigra,ThomasWalter/vigra,mmuellner/vigra,timoMa/vigra,martinsch/vigra,funkey/vigra,ThomasWalter/vigra,capturePointer/vigra,stuarteberg/vigra,psteinb/vigra,stuarteberg/vigra,kod3r/vigra,stuarteberg/vigra,hmeine/vigra,dagophil/vigra,funkey/vigra,dagophil/vigra,capturePointer/vigra,hmeine/vigra,timoMa/vigra,timoMa/vigra,capturePointer/vigra,dstoe/vigra,stuarteberg/vigra,cbecker/vigra,martinsch/vigra,psteinb/vigra,mmuellner/vigra,stuarteberg/vigra,cbecker/vigra,DaveRichmond-/vigra,psteinb/vigra,stuarteberg/vigra,cha007/vigra,xiwei-zhang/vigra,hmeine/vigra,psteinb/vigra,kod3r/vigra,DaveRichmond-/vigra,dagophil/vigra,DaveRichmond-/vigra,timoMa/vigra,stuarteberg/vigra,ThomasWalter/vigra,funkey/vigra,cha007/vigra,xiwei-zhang/vigra,dstoe/vigra,xiwei-zhang/vigra