Merge topic 'CheckSymbolExists-restore-newline' into release-3.25

9273b8f421 CheckSymbolExists: Restore newline at end of test source

Acked-by: Kitware Robot <[email protected]>
Acked-by: Petr Nechaev <[email protected]>
Merge-request: !7979

Modules/CheckSymbolExists.cmake

@@ -136,7 +136,7 @@ int main(int argc, char** argv)
   ${_CSE_CHECK_NON_MACRO}")
     endif()
     string(APPEND _CSE_SOURCE "
-}")
+}\n")
     unset(_CSE_CHECK_NON_MACRO)
 
     if(NOT CMAKE_REQUIRED_QUIET)