Update CMakeModules/FindCOLLADA.cmake
Update CMakeModules/FindCOLLADA.cmake

Keeping old style operator to align with OSG CMake 2.8.0 support.

Co-Authored-By: eknabe <698024a0fac8d1f35b3abebb9ef9b9300bd5a08e@users.noreply.github.com>
openscenegraph/osg,scrawl/osg,scrawl/osg,scrawl/osg,openscenegraph/osg,openscenegraph/osg,openscenegraph/osg,scrawl/osg