add some prototypes, casts, includes, parenthesis, and whatnot to

silence some warnings.

src/lib/libc/crypt/crypt2.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: crypt2.c,v 1.3 2005/08/08 08:05:33 espie Exp $	*/
+/*	$OpenBSD: crypt2.c,v 1.4 2013/04/17 17:40:35 tedu Exp $	*/
 
 /*
  * FreeSec: libcrypt
@@ -59,6 +59,9 @@
 extern const u_char _des_bits8[8];
 extern const u_int32_t _des_bits32[32];
 extern int	_des_initialised;
+void _des_init(void);
+void _des_setup_salt(int32_t salt);
+int _des_do_des(u_int32_t , u_int32_t , u_int32_t *, u_int32_t *, int);
 
 int
 setkey(const char *key)

src/lib/libc/stdlib/strtol.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: strtol.c,v 1.8 2012/11/18 04:13:39 jsing Exp $ */
+/*	$OpenBSD: strtol.c,v 1.9 2013/04/17 17:40:35 tedu Exp $ */
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
  * All rights reserved.
@@ -54,7 +54,7 @@ strtol(const char *nptr, char **endptr, int base)
 	 */
 	if (base != 0 && (base < 2 || base > 36)) {
 		if (endptr != 0)
-			*endptr = nptr;
+			*endptr = (char *)nptr;
 		errno = EINVAL;
 		return 0;
 	}
@@ -124,7 +124,7 @@ strtol(const char *nptr, char **endptr, int base)
 		if (any < 0)
 			continue;
 		if (neg) {
-			if (acc < cutoff || acc == cutoff && c > cutlim) {
+			if (acc < cutoff || (acc == cutoff && c > cutlim)) {
 				any = -1;
 				acc = LONG_MIN;
 				errno = ERANGE;
@@ -134,7 +134,7 @@ strtol(const char *nptr, char **endptr, int base)
 				acc -= c;
 			}
 		} else {
-			if (acc > cutoff || acc == cutoff && c > cutlim) {
+			if (acc > cutoff || (acc == cutoff && c > cutlim)) {
 				any = -1;
 				acc = LONG_MAX;
 				errno = ERANGE;

src/lib/libc/stdlib/strtoul.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: strtoul.c,v 1.7 2005/08/08 08:05:37 espie Exp $ */
+/*	$OpenBSD: strtoul.c,v 1.8 2013/04/17 17:40:35 tedu Exp $ */
 /*
  * Copyright (c) 1990 Regents of the University of California.
  * All rights reserved.
@@ -84,7 +84,7 @@ strtoul(const char *nptr, char **endptr, int base)
 			break;
 		if (any < 0)
 			continue;
-		if (acc > cutoff || acc == cutoff && c > cutlim) {
+		if (acc > cutoff || (acc == cutoff && c > cutlim)) {
 			any = -1;
 			acc = ULONG_MAX;
 			errno = ERANGE;