stringrenderer: Fix compiler warning (-Wwrite-strings) #397
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gcc reported this warning:
../training/stringrenderer.cpp:
In member function ‘void tesseract::StringRenderer::SetLayoutProperties()’:
../training/stringrenderer.cpp:211:42: warning:
ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
set_features("liga, clig, dlig, hlig");
^
Signed-off-by: Stefan Weil sw@weilnetz.de