[mousetrap/gnome3-wip: 206/240] `make clean` deletes `build/` generated by `make`.

[Heidi Ellis <heidiellis src gnome org>]

commit 704f975fafc5cac9561b3403de1b6e1109eec3bc
Author: Stoney Jackson <dr stoney gmail com>
Date:   Sun Jun 29 10:23:58 2014 -0400

    `make clean` deletes `build/` generated by `make`.
    
    `make clean` should delete anything that building created [1].
    
    [1] https://www.gnu.org/prep/standards/html_node/Standard-Targets.html

 Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index c957f3b..e44e55d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -60,6 +60,7 @@ clean-local:
        find $(srcdir) -name '*.pyc' -delete
        find $(srcdir) -name '*.pyo' -delete
        find $(srcdir) -name '*.mo' -delete
+       rm -rf $(srcdir)/build
 
 
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