Enrico Tröger f22c9a5916 Mention necessary header includes in the plugin signal descriptions.
Add missing header includes for the demoplugin.

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@3522 ea778897-0a13-0410-b9d1-a72fbfd435f5
2009-01-28 17:55:58 +00:00
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