pdf2djvu @0.7.18: build fails after upgrade to poppler 0.31.0.

[dbevans (David B. Evans)]

Build fails as follows

:info:build /usr/bin/clang++ -pipe -Os -DHAVE_SYS_TYPES_H=1 -arch x86_64 -stdlib=libc++ -Wall -Werror=overloaded-virtual -I/opt/local/include  -I/opt/local/include/poppler  -I/opt/local/include/GraphicsMagick  -I/opt/local/include -I/opt/local/include/libxml2    -c -o pdf-dpi.o pdf-dpi.cc
:info:build pdf-backend.cc:129:22: error: no member named 'setAntialias' in 'GlobalParams'
:info:build   if (!globalParams->setAntialias(const_cast<char*>(value ? "yes" : "no")))
:info:build        ~~~~~~~~~~~~  ^
:info:build pdf-backend.cc:131:22: error: no member named 'setVectorAntialias' in 'GlobalParams'
:info:build   if (!globalParams->setVectorAntialias(const_cast<char*>(value ? "yes" : "no")))
:info:build        ~~~~~~~~~~~~  ^
:info:build 2 errors generated.
:info:build make: *** [pdf-backend.o] Error 1

This is due to the removal of setVectorAntialias (among others) from GlobalParams in poppler 0.31.0.

See upstream ​issue 99 for more details.

Reported fixed in new release 0.7.19.

[NicosPavlov]

Update done in r132673.