audit: add spaces on either side of case "..." operator.

Following the programming advice laid down in the gcc manual, make
sure the case "..." operator has spaces on either side.

According to:

http://gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Case-Ranges.html#Case-Ranges:

  "Be careful: Write spaces around the ..., for otherwise it may be
parsed wrong when you use it with integer values."
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

kernel/audit.c

@@ -515,8 +515,8 @@ static int audit_netlink_ok(struct sk_buff *skb, u16 msg_type)
 			err = -EPERM;
 		break;
 	case AUDIT_USER:
-	case AUDIT_FIRST_USER_MSG...AUDIT_LAST_USER_MSG:
-	case AUDIT_FIRST_USER_MSG2...AUDIT_LAST_USER_MSG2:
+	case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG:
+	case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2:
 		if (security_netlink_recv(skb, CAP_AUDIT_WRITE))
 			err = -EPERM;
 		break;
@@ -614,8 +614,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 							loginuid, sid);
 		break;
 	case AUDIT_USER:
-	case AUDIT_FIRST_USER_MSG...AUDIT_LAST_USER_MSG:
-	case AUDIT_FIRST_USER_MSG2...AUDIT_LAST_USER_MSG2:
+	case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG:
+	case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2:
 		if (!audit_enabled && msg_type != AUDIT_USER_AVC)
 			return 0;