patch 8.2.2207: illegal memory access if popup menu items are changed

Problem:    Illegal memory access if popup menu items are changed while the
            menu is visible. (Tomáš Janoušek)
Solution:   Make a copy of the text. (closes #7537)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2207,
 /**/
     2206,
 /**/