.gitignore: Readd /tmp/

Centril · web-flow · commit 352c6d036f87 · 2019-08-10T08:47:22.000+02:00
It is produced during `./x.py test`
diff --git a/.gitignore b/.gitignore
@@ -38,6 +38,7 @@ __pycache__/
 /src/libcore/unicode/UnicodeData.txt
 /src/libcore/unicode/downloaded
 /target/
+/tmp/
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