patch 8.2.2078: illegal memory access when using :print on invalid text

Problem:    Illegal memory access when using :print on invalid text. (Dhiraj
            Mishra)
Solution:   Check for more composing characters than supported. (closes #7399)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2078,
 /**/
     2077,
 /**/