[rubygem-i18n_data] Add missing .gitignore.

[Vít Ondruch]

commit 12664ae434f7ec03e2600912e66ea67ce9e93d7b
Author: Vít Ondruch <vondruch at redhat.com>
Date:   Fri Sep 30 18:42:40 2011 +0200

    Add missing .gitignore.

 .gitignore |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index e69de29..19eba10 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/i18n_data-0.2.7.gem