tests: fix trailing whitespace

tests/test-largefiles-cache.t

@@ -1,70 +1,70 b''
 Create user cache directory
 
   $ USERCACHE=`pwd`/cache; export USERCACHE
   $ cat <<EOF >> ${HGRCPATH}
   > [extensions]
   > hgext.largefiles=
   > [largefiles]
   > usercache=${USERCACHE}
   > EOF
   $ mkdir -p ${USERCACHE}
 
 Create source repo, and commit adding largefile.
 
   $ hg init src
   $ cd src
   $ echo large > large
   $ hg add --large large
   $ hg commit -m 'add largefile'
   $ cd ..
 
 Discard all cached largefiles in USERCACHE
 
   $ rm -rf ${USERCACHE}
 
-Create mirror repo, and pull from source without largefile: 
+Create mirror repo, and pull from source without largefile:
 "pull" is used instead of "clone" for suppression of (1) updating to
 tip (= cahcing largefile from source repo), and (2) recording source
 repo as "default" path in .hg/hgrc.
 
   $ hg init mirror
   $ cd mirror
   $ hg pull ../src
   pulling from ../src
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   (run 'hg update' to get a working copy)
 
 Update working directory to "tip", which requires largefile("large"),
 but there is no cache file for it.  So, hg must treat it as
 "missing"(!) file.
 
   $ hg update
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   getting changed largefiles
   large: Can't get file locally
   (no default or default-push path set in hgrc)
   0 largefiles updated, 0 removed
   $ hg status
   ! large
 
 Update working directory to null: this cleanup .hg/largefiles/dirstate
 
   $ hg update null
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   getting changed largefiles
   0 largefiles updated, 0 removed
 
 Update working directory to tip, again.
 
   $ hg update
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   getting changed largefiles
   large: Can't get file locally
   (no default or default-push path set in hgrc)
   0 largefiles updated, 0 removed
   $ hg status
   ! large