patch 8.0.0221: unnecessary condition on PROTO

Problem:    Checking if PROTO is defined inside a function has no effect.
Solution:   Remove the check for PROTO. (Hirohito Higashi)
diff --git a/src/misc1.c b/src/misc1.c
index 046e2f0..cc5d5e6 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -2180,7 +2180,7 @@
     char_u	buf[MB_MAXBYTES + 1];
     int		n = 1;
 
-#if defined(FEAT_MBYTE) || defined(PROTO)
+#ifdef FEAT_MBYTE
     n = (*mb_char2bytes)(c, buf);
 
     /* When "c" is 0x100, 0x200, etc. we don't want to insert a NUL byte.
diff --git a/src/version.c b/src/version.c
index 84cb940..5cca034 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    221,
+/**/
     220,
 /**/
     219,