tun: dont force inline of functions

Current standard practice is to not mark most functions as inline
and  let compiler decide instead.
Signed-off-by: NStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/tun.c

@@ -550,7 +550,7 @@ static unsigned int tun_chr_poll(struct file *file, poll_table * wait)
 
 /* prepad is the amount to reserve at front.  len is length after that.
  * linear is a hint as to how much to copy (usually headers). */
-static inline struct sk_buff *tun_alloc_skb(struct tun_struct *tun,
+static struct sk_buff *tun_alloc_skb(struct tun_struct *tun,
 				     size_t prepad, size_t len,
 				     size_t linear, int noblock)
 {
@@ -578,7 +578,7 @@ static inline struct sk_buff *tun_alloc_skb(struct tun_struct *tun,
 }
 
 /* Get packet from user space buffer */
-static __inline__ ssize_t tun_get_user(struct tun_struct *tun,
+static ssize_t tun_get_user(struct tun_struct *tun,
 			    const struct iovec *iv, size_t count,
 			    int noblock)
 {
@@ -729,7 +729,7 @@ static ssize_t tun_chr_aio_write(struct kiocb *iocb, const struct iovec *iv,
 }
 
 /* Put packet to the user space buffer */
-static __inline__ ssize_t tun_put_user(struct tun_struct *tun,
+static ssize_t tun_put_user(struct tun_struct *tun,
 			    struct sk_buff *skb,
 			    const struct iovec *iv, int len)
 {