Fixed OCL samples' install path being inconsistent with the other samples.

samples/ocl/CMakeLists.txt

@@ -54,6 +54,6 @@ endif()
 if (INSTALL_C_EXAMPLES AND NOT WIN32)
   file(GLOB install_list *.c *.cpp *.jpg *.png *.data makefile.* build_all.sh *.dsp *.cmd )
   install(FILES ${install_list}
-          DESTINATION share/opencv/samples/${project}
+          DESTINATION share/OpenCV/samples/${project}
           PERMISSIONS OWNER_READ GROUP_READ WORLD_READ)
 endif()