Revert missing code

Author: ichizok

src/gui.h

@@ -577,6 +577,6 @@ typedef enum
 # endif
 #endif /* FEAT_GUI_GTK */
 
-#if defined(UNIX) && !defined(FEAT_GUI_MAC)
+#if defined(UNIX) && !(defined(FEAT_GUI_MAC) || defined(FEAT_GUI_MACVIM))
 # define GUI_MAY_FORK
 #endif

src/terminal.c

@@ -981,6 +981,11 @@ write_to_term(buf_T *buffer, char_u *msg, channel_T *channel)
 	     * already */
 	    if (buffer == curbuf && curbuf->b_term != NULL)
 		update_cursor(curbuf->b_term, TRUE);
+#ifdef FEAT_GUI_MACVIM
+            /* Force a flush now for better experience of interactive shell. */
+	    if (gui.in_use)
+		gui_macvim_force_flush();
+#endif
 	}
 	else
 	    redraw_after_callback(TRUE);