Update OpenCVCompilerOptions.cmake

misplaced else

cmake/OpenCVCompilerOptions.cmake

@@ -18,10 +18,10 @@ if(ENABLE_CCACHE AND NOT CMAKE_COMPILER_IS_CCACHE)
         message(STATUS "Unable to compile program with enabled ccache, reverting...")
         set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${__OLD_RULE_LAUNCH_COMPILE}")
       endif()
+    endif()
   else()
     message(STATUS "Looking for ccache - not found")
   endif()
-  endif()
 endif()
 
 if((CMAKE_COMPILER_IS_CLANGCXX OR CMAKE_COMPILER_IS_CLANGCC OR CMAKE_COMPILER_IS_CCACHE) AND NOT CMAKE_GENERATOR MATCHES "Xcode")