PARIS, Jan 30, 2008 (AFP) - French senators adopted Wednesday a revision ofthe country's constitution to allow a new EU reform treaty to be ratified byparliament, despite criticism that it should be voted on in a referendum.   The measure's adoption -- by a vote of 210 to 48 with 62 abstentions --clears the way for its final adoption by both houses on February 4.   With the lower house, the Assemblee Nationale, having also approved themeasure by a large margin two weeks ago, its adoption is nearly assured.   That would allow the Assemblee Nationale to vote on February 7 on the EUreform treaty, followed by the Senate.   Senators from the opposition Socialist Party abstained from voting as theircounterparts did in the Assemblee Nationale, arguing the EU treaty should beratified by referendum.   Signed in Lisbon last month, the EU charter aims to streamlinedecision-making of the 27-member bloc, replacing a more ambitious EUconstitution that was rejected by French and Dutch voters in referendums in2005.