[gnome-battery-bench] Ignore compile_commands.json

[Christian Kellner <gicmo src gnome org>]

commit d819afdf073647c31d2ce2be69118284d5a41642
Author: Christian Kellner <gicmo gnome org>
Date:   Mon Feb 20 18:24:44 2017 +0100

    Ignore compile_commands.json

 .gitignore |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index f7e8d95..cad8b11 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 aclocal.m4
 autom4te.cache/
 compile
+compile_commands.json
 config.log
 config.status
 configure