improved compatibility of safeStaticInit() for MSVC
improved compatibility of safeStaticInit() for MSVC

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