[cluttermm] Ignores all generated files in the /tests directory.

[Murray Cumming <murrayc src gnome org>]

commit 1e75230686be2d09d6a2035fadebbde7e8b12f03
Author: Ian Martin <martin_id vodafone co nz>
Date:   Wed Mar 19 07:33:02 2014 +1300

    Ignores all generated files in the /tests directory.
    
    Add a rule to .gitignore to ignore all files in the tests directory, except source code and Makefile.am.

 .gitignore |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index b34c029..fba2c97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,6 +25,6 @@ stamp-h?
 /doc/reference/cluttermm-*.tag
 /doc/reference/html/
 /examples/actors
-/tests/test-alpha-creation
-/tests/test-alpha-func
-/tests/test-interval-creation
+/tests/*
+!/tests/*.cc
+!/tests/*.Makefile.am