[cmake] add comments about SWIG_FLAGS not passed when compiling in C
[cmake] add comments about SWIG_FLAGS not passed when compiling in C

radarsat1/siconos,radarsat1/siconos,siconos/siconos,radarsat1/siconos,siconos/siconos,radarsat1/siconos,siconos/siconos,radarsat1/siconos,siconos/siconos