Fix cmake warning

Author: isuruf

runtime/flang/CMakeLists.txt

@@ -593,8 +593,8 @@ if (NOT MSVC)
   target_compile_options(flang_static PRIVATE -fPIC)
   target_compile_options(flang_shared PRIVATE -fPIC)
 else()
-  target_link_libraries(flang_shared PRIVATE Ws2_32.lib)
-  target_link_libraries(flang_static PRIVATE Ws2_32.lib)
+  target_link_libraries(flang_shared Ws2_32.lib)
+  target_link_libraries(flang_static Ws2_32.lib)
 
   set_target_properties(flang_static PROPERTIES LINKER_LANGUAGE CXX)
   set_target_properties(flang_shared PROPERTIES LINKER_LANGUAGE CXX)