Accommodate for changes in calling structure of bc interpreter

src/fml.c

@@ -120,7 +120,7 @@ int main ( int argc, char **argv ) {
   if ( bc_interpreter ) {
     VM vm;
     vm_init ( &vm, heap_size * 1024 * 1024 );
-    bc_interpret ( &vm, file_str );
+    vm_interpret ( &vm, file_str );
     vm_destroy ( &vm );
   }