Examples warnings, and Altera container build search fix
tools/cdk/examples/bestfit_test/impl2.rcc/impl2.c: size_t warning
tools/cdk/examples/bestfit_test/impl3.rcc/impl3.c: size_t warning
tools/cdk/examples/ext2file_xml/ext2file.cxx: size_t warning
tools/cdk/include/hdl/quartus.mk: workers in the container (not app) were not being found