Clean use of double / float (#1323)
Clean use of double / float (#1323)

The variable 'diff' gets a double value and is compared with a double value,
so it should be double, too.

Signed-off-by: Stefan Weil <8d4c780fcfdc41841e5070f4c43da8958ba6aec0@weilnetz.de>
amitdo/tesseract,stweil/tesseract,tesseract-ocr/tesseract,stweil/tesseract,jbarlow83/tesseract,UB-Mannheim/tesseract,UB-Mannheim/tesseract,UB-Mannheim/tesseract,amitdo/tesseract,stweil/tesseract,tesseract-ocr/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract,amitdo/tesseract,jbarlow83/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,stweil/tesseract,jbarlow83/tesseract,jbarlow83/tesseract,stweil/tesseract,jbarlow83/tesseract,tesseract-ocr/tesseract,tesseract-ocr/tesseract