[folks] build: Tidy up GITIGNOREFILES in the docs directory

[Philip Withnall <pwithnall src gnome org>]

commit ad95d641b62955a2f228968f4a141a80c053180a
Author: Philip Withnall <philip tecnocode co uk>
Date:   Mon May 25 18:53:56 2015 +0100

    build: Tidy up GITIGNOREFILES in the docs directory
    
    folks-dummy was missing from it; it should have been referencing
    $(distclean_dirs) all along anyway.

 docs/Makefile.am |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)
---
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 61b0af2..f932836 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -409,11 +409,7 @@ distclean-docs:
        rm -rf $(distclean_dirs)
 
 GITIGNOREFILES = \
-       folks/ \
-       folks-eds/ \
-       folks-libsocialweb/ \
-       folks-telepathy/ \
-       gtk-doc/ \
+       $(distclean_dirs) \
        $(NULL)
 
 -include $(top_srcdir)/git.mk