[tz] [PROPOSED] Ignore more non-source files

[Paul Eggert]

* .gitignore: Ignore *.diff, *.i, *.orig, *.rej, *.tar.
Ignore check_* files, as they are created by ‘make check’.
---
 .gitignore | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.gitignore b/.gitignore
index 1e62d11..cf3b825 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,14 +2,20 @@
 # This file is in the public domain.
 *.a
 *.asc
+*.diff
+*.i
 *.o
+*.orig
 *.patch
+*.rej
+*.tar
 *.tar.*
 *.txt
 *.tzs
 *.zi
 *~
 ChangeLog
+check_*
 date
 leapseconds
 tzselect
-- 
2.21.0