Fix a comment whitespace typo.

src/fileio.c: A double space was added after "..", used in a code
example. Make it a single space.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/fileio.c b/src/fileio.c
index f954ac12b5d..ca1bc5065e5 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -755,7 +755,7 @@ For technical reasons, this function can return correct but
 non-intuitive results for the root directory; for instance,
 \(expand-file-name ".." "/") returns "/..".  For this reason, use
 \(directory-file-name (file-name-directory dirname)) to traverse a
-filesystem tree, not (expand-file-name ".."  dirname).  */)
+filesystem tree, not (expand-file-name ".." dirname).  */)
   (Lisp_Object name, Lisp_Object default_directory)
 {
   /* These point to SDATA and need to be careful with string-relocation