net: slip: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running
the following commard:

    $ find . -name '*.[ch]' | xargs sed -r -i 's/^[ ]+\t/\t/'

Cc: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/slip/slhc.c

@@ -325,7 +325,7 @@ slhc_compress(struct slcompress *comp, unsigned char *icp, int isize,
 	 * Found it -- move to the front on the connection list.
 	 */
 	if(lcs == ocs) {
- 		/* found at most recently used */
+		/* found at most recently used */
 	} else if (cs == ocs) {
 		/* found at least recently used */
 		comp->xmit_oldest = lcs->cs_this;