Merge branch 'upstream-KWSys' into update-kwsys

* upstream-KWSys:
  KWSys 2017-12-01 (0f0023b1)

Source/kwsys/ConsoleBuf.hxx.in

@@ -264,6 +264,7 @@ private:
         if (m_isConsoleInput) {
           break;
         }
+        @KWSYS_NAMESPACE@_FALLTHROUGH;
       case FILE_TYPE_PIPE:
         m_activeInputCodepage = input_pipe_codepage;
         break;
@@ -290,6 +291,7 @@ private:
         if (m_isConsoleOutput) {
           break;
         }
+        @KWSYS_NAMESPACE@_FALLTHROUGH;
       case FILE_TYPE_PIPE:
         m_activeOutputCodepage = output_pipe_codepage;
         break;