cmake: dropped the wrong line


git-svn-id: svn://svn.code.sf.net/p/mediainfo/code/MediaInfoLib/trunk@6597 45c5ae6f-87cc-4fd0-92ee-e4f023fd80da
cmake: use external tinyxml when possible


git-svn-id: svn://svn.code.sf.net/p/mediainfo/code/MediaInfoLib/trunk@6598 45c5ae6f-87cc-4fd0-92ee-e4f023fd80da
fixed previous commit

git-svn-id: svn://svn.code.sf.net/p/mediainfo/code/MediaInfoLib/trunk@6599 45c5ae6f-87cc-4fd0-92ee-e4f023fd80da
cmake: use external libcurl when possible

git-svn-id: svn://svn.code.sf.net/p/mediainfo/code/MediaInfoLib/trunk@6600 45c5ae6f-87cc-4fd0-92ee-e4f023fd80da