Create the empty undodir.

This patch aims to make the persistent undo functionality work out of the place.
aadant · Jun 24, 2016 · b0cb820 · b0cb820
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commit b0cb820
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diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,3 @@
-temp_dirs/undodir*
 sources_non_forked/ack.vim/.netrwhist
 temp_dirs/yankring_history_v2.txt
 sources_forked/yankring/doc/tags

diff --git a/temp_dirs/undodir/.gitignore b/temp_dirs/undodir/.gitignore
@@ -0,0 +1,2 @@
+# http:https://stackoverflow.com/a/932982
+!.gitignore