Added -Wextra to the Windows compile.
Added new define in libbitdht for snprintf and fprintf to proper handling of "%ll" under Windows.
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4951 b45a01b8-16f6-495d-af2f-9b41ad6348cc
Fixed compile under Windows.
Removed CloseHandle of GetModuleHandle.
Added missing return when the function entry of the plugin is NULL.
Fixed checking for the extension ".dll".
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4287 b45a01b8-16f6-495d-af2f-9b41ad6348cc