patch 8.0.0353: if [RO] is translated it may be truncated

Problem:    If [RO] in the status line is translated to a longer string, it is
            trunctted to 4 bytes.
Solution:   Skip over the resulting string. (Jente Hidskes, closes #1499)

src/screen.c

@@ -6730,7 +6730,7 @@ win_redr_status(win_T *wp)
 	if (wp->w_buffer->b_p_ro)
 	{
 	    STRCPY(p + len, _("[RO]"));
-	    len += 4;
+	    len += (int)STRLEN(p + len);
 	}
 
 	this_ru_col = ru_col - (Columns - W_WIDTH(wp));

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    353,
 /**/
     352,
 /**/