.gitignore: add ctags output files
Exuberant ctags creates an output file called "tags" by default or
"TAGS" when it's run in emacs mode. Add those two files to .gitignore so
they won't be removed by git clean -df.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/.gitignore b/.gitignore
index be1d461..c03c2e8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -50,3 +50,9 @@
cscope.in.out
cscope.out
cscope.po.out
+
+#
+# ctags output
+#
+tags
+TAGS