Don't use <XXX>_LINK_LIBRARIES for cmake before version 3.12
Don't use <XXX>_LINK_LIBRARIES for cmake before version 3.12

Signed-off-by: Stefan Weil <8d4c780fcfdc41841e5070f4c43da8958ba6aec0@weilnetz.de>

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