qeth: make local functions static in qeth_l3 module

This patch makes 4 local functions static and removes
the prototypes from the header file.
Signed-off-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/s390/net/qeth_l3.h

@@ -42,10 +42,6 @@ struct qeth_ipato_entry {
 };
 
 
-void qeth_l3_ipaddr4_to_string(const __u8 *, char *);
-int qeth_l3_string_to_ipaddr4(const char *, __u8 *);
-void qeth_l3_ipaddr6_to_string(const __u8 *, char *);
-int qeth_l3_string_to_ipaddr6(const char *, __u8 *);
 void qeth_l3_ipaddr_to_string(enum qeth_prot_versions, const __u8 *, char *);
 int qeth_l3_string_to_ipaddr(const char *, enum qeth_prot_versions, __u8 *);
 int qeth_l3_create_device_attributes(struct device *);

drivers/s390/net/qeth_l3_main.c

@@ -55,12 +55,12 @@ static int qeth_l3_isxdigit(char *buf)
 	return 1;
 }
 
-void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf)
+static void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf)
 {
 	sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]);
 }
 
-int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr)
+static int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr)
 {
 	int count = 0, rc = 0;
 	unsigned int in[4];
@@ -78,12 +78,12 @@ int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr)
 	return 0;
 }
 
-void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf)
+static void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf)
 {
 	sprintf(buf, "%pI6", addr);
 }
 
-int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr)
+static int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr)
 {
 	const char *end, *end_tmp, *start;
 	__u16 *in;