Keep gcc -Wall happy

Modules/fcntlmodule.c

@@ -279,6 +279,7 @@ all_ins(d)
         if (ins(d, "LOCK_EX", (long)LOCK_EX)) return -1;
         if (ins(d, "LOCK_NB", (long)LOCK_NB)) return -1;
         if (ins(d, "LOCK_UN", (long)LOCK_UN)) return -1;
+	return 0;
 }
 
 void

Modules/python.c

@@ -2,6 +2,7 @@
 
 extern int Py_Main();
 
+int
 main(argc, argv)
 	int argc;
 	char **argv;

Modules/reopmodule.c

@@ -62,8 +62,6 @@ static PyObject *ReopError;	/* Exception */
 #define BEGINNING_OF_BUFFER	7
 #define END_OF_BUFFER		8
 
-static unsigned char *reop_casefold;
-
 static PyObject *
 makeresult(regs, num_regs)
 	struct re_registers *regs;

Python/frozenmain.c

@@ -77,6 +77,6 @@ Py_FrozenMain(argc, argv)
 	if (inspect && isatty((int)fileno(stdin)))
 		sts = PyRun_AnyFile(stdin, "<stdin>") != 0;
 
-	Py_Exit(sts);
-	/*NOTREACHED*/
+	Py_Finalize();
+	return sts;
 }

Python/import.c

@@ -692,7 +692,6 @@ static int
 init_builtin(name)
 	char *name;
 {
-	PyInterpreterState *interp = PyThreadState_Get()->interp;
 	struct _inittab *p;
 	PyObject *mod;