[glibmm] Build: Tiny wihtespace fix to really generate posix-only files.

[Murray Cumming <murrayc src gnome org>]

commit dbf53fdad1133aa6f6966f2ef2fbbaafa4da3340
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Aug 25 11:01:46 2017 +0200

    Build: Tiny wihtespace fix to really generate posix-only files.
    
    This typo was introduced in this recent commit:
    https://git.gnome.org/browse/glibmm/commit/?id=05f9faf2476904f6b9210ca9935d4a081cc13421
    and caused, for intance, unixdflist.h to not be generated, leading to
    this build error:
    
    ../giomm/dbusmessage.h:31:31: fatal error: giomm/unixfdlist.h: No such
    file or directory

 gio/src/filelist.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/src/filelist.am b/gio/src/filelist.am
index 296781a..c126eb7 100644
--- a/gio/src/filelist.am
+++ b/gio/src/filelist.am
@@ -162,6 +162,6 @@ giomm_files_used_hg = $(giomm_files_any_hg) $(giomm_files_arch_hg)
 
 giomm_files_hg = \
   $(giomm_files_any_hg) \
-  $(giomm_files_posix_hg ) \
+  $(giomm_files_posix_hg) \
   $(giomm_files_not_mac)
 giomm_files_ccg = $(giomm_files_hg:.hg=.ccg)