net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/utils.c

@@ -75,7 +75,7 @@ __be32 in_aton(const char *str)
 				str++;
 		}
 	}
-	return(htonl(l));
+	return htonl(l);
 }
 EXPORT_SYMBOL(in_aton);