fix exit status

contrib/cwrapper_perl.c

@@ -14,13 +14,16 @@ EXTERN_C void xs_init(pTHX)
 
 int main (int argc, char **argv, char **env)
 {
+    int exitstatus = 0;
+
     PERL_SYS_INIT3(&argc, &argv, &env);
     my_perl = perl_alloc();
     perl_construct(my_perl);
     PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
     perl_parse(my_perl, xs_init, argc, argv, (char **)NULL);
-    perl_run(my_perl);
+    exitstatus = perl_run(my_perl);
     perl_destruct(my_perl);
     perl_free(my_perl);
     PERL_SYS_TERM();
+    exit(exitstatus);
 }