add precondition for integer overflow in BasicImage::resize()
add precondition for integer overflow in BasicImage::resize()

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