ovis: allow using OGRE devel

only compatible versions support CMake CONFIG mode.
Use that to make check more robust.

modules/ovis/CMakeLists.txt

@@ -1,11 +1,11 @@
 set(the_description "OGRE 3D Visualiser.")
 
-find_package(OGRE QUIET)
+find_package(OGRE QUIET CONFIG)
 
 if(NOT OGRE_FOUND)
   message(STATUS "Module opencv_ovis disabled because OGRE3D was not found")
   ocv_module_disable(ovis)
-elseif(OGRE_VERSION VERSION_LESS 1.11.5 OR OGRE_VERSION VERSION_GREATER 2.0)
+elseif(OGRE_VERSION VERSION_LESS 1.11.5)
   message(STATUS "Module opencv_ovis disabled because of incompatible OGRE3D version (${OGRE_VERSION})")
   ocv_module_disable(ovis)
 else() # we need C++11 for OGRE 1.11