include: Add FOF_NO_UI flag.

include/shellapi.h

@@ -186,6 +186,7 @@ HRESULT WINAPI SHGetImageList(INT, REFIID, void **);
 #define FOF_WANTNUKEWARNING        0x4000  /* during delete operation, warn if delete instead
                                               of recycling (even if FOF_NOCONFIRMATION) */
 #define FOF_NORECURSEREPARSE       0x8000  /* don't do recursion into reparse points */
+#define FOF_NO_UI                  (FOF_SILENT | FOF_NOCONFIRMATION | FOF_NOERRORUI | FOF_NOCONFIRMMKDIR)
 
 typedef WORD FILEOP_FLAGS;