[susy] in CODEGEN attempt a fix for "ValueError : not enough values t…

…o unpack (expected 2, got 1)" madgraph5#622

This comes from the following line (a parameter is set conditionally...)
DEBUG:  line =  if ( mdl_Mneu2 < 0 ) [model_handling.py at line 715]

epochX/cudacpp/CODEGEN/PLUGIN/CUDACPP_SA_OUTPUT/model_handling.py

@@ -712,6 +712,8 @@ def write_hardcoded_parameters(self, params):
         parset_pars = []
         parset_lines = {}
         for line in parset.split('\n'):
+            ###misc.sprint(line) # for debugging
+            if line.startswith('if'): continue # fix #622
             par, parval = line.split(' = ')
             if parval.startswith('slha.get_block_entry'): parval = parval.split(',')[2].lstrip(' ').rstrip(');') + ';'
             parset_pars.append( par )