swig: add fix for 3.0.12 where SWIG_LIB is incorrect on MinGW/Windows
swig: add fix for 3.0.12 where SWIG_LIB is incorrect on MinGW/Windows

neuroidss/nupic.core,breznak/nupic.core,numenta/nupic.core,neuroidss/nupic.core,breznak/nupic.core,rcrowder/nupic.core,rhyolight/nupic.core,rcrowder/nupic.core,subutai/nupic.core,numenta/nupic.core,rhyolight/nupic.core,numenta/nupic.core,subutai/nupic.core,subutai/nupic.core,subutai/nupic.core,numenta/nupic.core,rhyolight/nupic.core,rcrowder/nupic.core,rcrowder/nupic.core,breznak/nupic.core,rhyolight/nupic.core,neuroidss/nupic.core,breznak/nupic.core,neuroidss/nupic.core