[gegl] docs: clean out operations gallery one make clean

[Øyvind Kolås <ok src gnome org>]

commit 8321e28b99bec07ac410edaaca0d3226de0a864d
Author: Øyvind Kolås <pippin gimp org>
Date:   Fri May 5 15:05:01 2017 +0200

    docs: clean out operations gallery one make clean

 docs/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 1761bca..ffe05d8 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -206,7 +206,7 @@ else
 endif
 
 clean-local:
-       rm -rf images/examples;
+       rm -rf operations
 
 distclean-local:
        if test $(srcdir) = .; then :; else     \