fixed use of unique_ptr swap
fixed use of unique_ptr swap

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