By Maan Alhmidi THE CANADIAN PRESS TORONTO- A new poll suggests only a third of Canadians support a proposal from Mississauga, Ont., to ask the federal government to change the lyrics of the national anthem. The proposed resolution put forward by Mississauga Mayor Bonnie Crombie would – if passed by council – ask Ottawa to alter the line that reads “O Canada! Our home and native land’’ to “O Canada! Our home on native land.’’ Market research firm Leger surveyed 1,525 people online between June 7 and June 11, asking whether they support the proposal. The results indicate 33 per cent of those polled support changing the anthem, with 48 per cent opposed, and 19 per cent saying they don’t know. Support for the change was higher among younger Canadians,…