On Windows, treat linker warnings as errors, if

MYSQL_MAINTAINER_MODE is ERR

cmake/os/Windows.cmake

@@ -154,6 +154,11 @@ IF(MSVC)
   IF(MYSQL_MAINTAINER_MODE MATCHES "ERR")
     SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
     SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /WX")
+    FOREACH(type EXE SHARED MODULE)
+      FOREACH(cfg RELEASE DEBUG RELWITHDEBINFO)
+        SET(CMAKE_${type}_LINKER_FLAGS_${cfg} "${CMAKE_${type}_LINKER_FLAGS_${cfg}} /WX")
+      ENDFOREACH()
+    ENDFOREACH()
   ENDIF()
   IF(MSVC_VERSION LESS 1910)
     # Noisy warning C4800: 'type': forcing value to bool 'true' or 'false' (performance warning),