[PATCH] IPV4: fix compile error building without CONFIG_FS_PROC

[Li Zefan <lizf@cn.fujitsu.com>]

compile error building without CONFIG_FS_PROC.

net/ipv4/fib_frontend.c: In function 'fib_net_init':
net/ipv4/fib_frontend.c:1032: error: implicit declaration of function 'fib_proc_
init'
net/ipv4/fib_frontend.c: In function 'fib_net_exit':
net/ipv4/fib_frontend.c:1047: error: implicit declaration of function 'fib_proc_
exit'

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>

---
 include/net/ip_fib.h |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 90d1175..af5e985 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -267,5 +267,13 @@ static inline void fib_res_put(struct fib_result *res)
 extern int __net_init  fib_proc_init(struct net *net);
 extern void __net_exit fib_proc_exit(struct net *net);
 #endif
+static inline int fib_proc_init(struct net *net)
+{
+	return 0;
+}
+static inline int fib_proc_exit(struct net *net)
+{
+	return 0;
+}
 
 #endif  /* _NET_FIB_H */
-- 
1.5.4.rc3