qemu-iotests: Remove traling whitespaces in *.out

This is simply:

  $ cd tests/qemu-iotests; sed -i -e 's/ *$//' *.out

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1418110684-19528-2-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/tests/qemu-iotests/069.out b/tests/qemu-iotests/069.out
index b48306d..4d7e63c 100644
--- a/tests/qemu-iotests/069.out
+++ b/tests/qemu-iotests/069.out
@@ -2,7 +2,7 @@
 
 === Creating an image with a backing file and deleting that file ===
 
-Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=131072 
-Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=131072 backing_file='TEST_DIR/t.IMGFMT.base' 
+Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=131072
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=131072 backing_file='TEST_DIR/t.IMGFMT.base'
 qemu-io: can't open device TEST_DIR/t.IMGFMT: Could not open backing file: Could not open 'TEST_DIR/t.IMGFMT.base': No such file or directory
 *** done