gmtk @1.4.3: error: invalid suffix on literal; C++11 requires a space between literal and identifier

[ryandesign (Ryan Carsten Schmidt)]

gmtk fails to build with compilers that default to C++11 (or later) mode:

​https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/145849/steps/install-port/logs/stdio

gmtkModelInfo.cc:638:32: error: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wreserved-user-defined-literal]
 case terse: fprintf(outF, "%s"BF, sep, ((b) ? 1 : 0)); break; \
                               ^