Fix compiler warnings [-Wcomma]
Fix compiler warnings [-Wcomma]

clang warnings:

src/api/baseapi.cpp:1642:18: warning:
 possible misuse of comma operator here [-Wcomma]
src/api/baseapi.cpp:1642:31: warning:
 possible misuse of comma operator here [-Wcomma]
src/api/baseapi.cpp:1642:45: warning:
 possible misuse of comma operator here [-Wcomma]
src/api/baseapi.cpp:1652:16: warning:
 possible misuse of comma operator here [-Wcomma]
src/api/baseapi.cpp:1652:30: warning:
 possible misuse of comma operator here [-Wcomma]
src/api/baseapi.cpp:1662:17: warning:
 possible misuse of comma operator here [-Wcomma]

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

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