fixing mmm.xml (warning: unknown tag)

data/RobotAPI/robots/MMM/mmm.xml

@@ -25,7 +25,7 @@
 					<row2 c1='0' c2='1' c3='0' c4='-38.9454' />
 					<row3 c1='0' c2='0' c3='1' c4='-0.688374' />
 					<row4 c1='0' c2='0' c3='0' c4='1' />
-                                </Matrix4x4>BLNsegment_joint
+                                </Matrix4x4>
 			</Transform>
 		</Sensor>
 		<Sensor type='position' name='MARKER_CLAV'>