Setup a workaround to the 2-norm normalization bug on complex Faust...

Setup a workaround to the 2-norm normalization bug on complex Faust exclusively occurring on matfaust (pyfaust is ok).

The workaround simply consists to use the frobenius norm instead of the equal L2 norm (of vectors).

wrapper/matlab/src/mexFaust.cpp.in

@@ -519,7 +519,7 @@ void save(Faust::TransformHelper<SCALAR,Cpu>* core_ptr, int nargs, const mxArray
 			if(!strcmp("normalize", cmd))
 			{
                 int ord = (int) mxGetScalar(prhs[2]);
-
+				if(ord == 2) ord = -2; //tmp workaround to the bug in normalization according 2-norm on complex Faust
 				Faust::TransformHelper<SCALAR,Cpu>* th = core_ptr->normalize(ord);
 				plhs[0] = convertPtr2Mat<Faust::TransformHelper<SCALAR,Cpu> >(th);
 				return;