add tmp/pdf directory (#12189)

git-svn-id: https://svn.redmine.org/redmine/trunk@10702 e93f8b46-1217-0410-a6f0-8f06a7374b81

.gitignore

@@ -19,6 +19,7 @@
 /public/plugin_assets
 /tmp/*
 /tmp/cache/*
+/tmp/pdf/*
 /tmp/sessions/*
 /tmp/sockets/*
 /tmp/test/*

.hgignore

@@ -21,6 +21,7 @@ public/dispatch.*
 public/plugin_assets
 tmp/*
 tmp/cache/*
+tmp/pdf/*
 tmp/sessions/*
 tmp/sockets/*
 tmp/test/*