Coverity CID 1093804: init member raw8 of color struct

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9841 387891d4-d844-0410-90c0-e4c51a9137d3
Coverity multiple CID: fix potential not null terminated strings

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9842 387891d4-d844-0410-90c0-e4c51a9137d3