[newlib-cygwin] Add "tags" to .gitignore

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=61750e127686d9480bdcd5d823ca7d885dee2671

commit 61750e127686d9480bdcd5d823ca7d885dee2671
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Wed Mar 11 17:37:34 2015 +0100

    Add "tags" to .gitignore

Diff:
---
 .gitignore | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.gitignore b/.gitignore
index bda55a3..b325a16 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,6 +29,7 @@ libtool
 POTFILES
 *-POTFILES
 
+tags
 TAGS
 TAGS.sub