fix compatibility of uninstall:  MacOSX rm needs -f instead of --force
fix compatibility of uninstall:  MacOSX rm needs -f instead of --force

git-svn-id: 2d64e9b2809dd9ad19a6aecaa4a58f29b79a507a@1127 d0cd1f9f-072b-0410-8dd7-cf729c803f20

tesseract-ocr/tesseract,amitdo/tesseract,jbarlow83/tesseract,amitdo/tesseract,tesseract-ocr/tesseract,amitdo/tesseract,jbarlow83/tesseract,UB-Mannheim/tesseract,stweil/tesseract,tesseract-ocr/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,jbarlow83/tesseract,stweil/tesseract,tesseract-ocr/tesseract,tesseract-ocr/tesseract,UB-Mannheim/tesseract,stweil/tesseract,UB-Mannheim/tesseract,amitdo/tesseract,jbarlow83/tesseract,stweil/tesseract,jbarlow83/tesseract,UB-Mannheim/tesseract,stweil/tesseract