When doing input file verification the exit code is always 1. #335

After doing verification of the input file we return the exit code
of the python processor.

trick_source/sim_services/InputProcessor/src/IPPython.cpp

@@ -123,7 +123,7 @@ int Trick::IPPython::init() {
     }
 
     if ( verify_input ) {
-       exec_terminate_with_return(1 , __FILE__ , __LINE__ , "Input file verification complete\n" ) ;
+       exec_terminate_with_return(ret , __FILE__ , __LINE__ , "Input file verification complete\n" ) ;
     }
 
     fclose(input_fp) ;