[source] fstools: clean up trailing whitespace in snapshot script

[LEDE Commits]

neoraider pushed a commit to source.git, branch master:
https://git.lede-project.org/6bbb3a2b0a86263afa33062e619941b193fefb7a

commit 6bbb3a2b0a86263afa33062e619941b193fefb7a
Author: Matthias Schiffer <mschiffer at universe-factory.net>
AuthorDate: Wed May 3 08:29:24 2017 +0200

    fstools: clean up trailing whitespace in snapshot script
    
    Signed-off-by: Matthias Schiffer <mschiffer at universe-factory.net>
---
 package/system/fstools/files/snapshot | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/system/fstools/files/snapshot b/package/system/fstools/files/snapshot
index c1a5b73..baf24f1 100644
--- a/package/system/fstools/files/snapshot
+++ b/package/system/fstools/files/snapshot
@@ -42,7 +42,7 @@ do_snapshot_upgrade() {
 
 	opkg list-upgradable
 	[ $? -eq 0 ] || exit 2
-	
+
 	UPDATES=`opkg list-upgradable | cut -d" " -f1`
 	[ -z "${UPDATES}" ] && exit 0