net/ipv6/addrconf_core.c: Checkpatch cleanup

addrconf_core.c:13: ERROR: space required before the open parenthesis '('
Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/addrconf_core.c

@@ -10,7 +10,7 @@
 
 static inline unsigned ipv6_addr_scope2type(unsigned scope)
 {
-	switch(scope) {
+	switch (scope) {
 	case IPV6_ADDR_SCOPE_NODELOCAL:
 		return (IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_NODELOCAL) |
 			IPV6_ADDR_LOOPBACK);