updated for version 7.4.671
Problem:    Warning for shadowing a variable.
Solution:   Rename off to mb_off. (Kazunobu Kuriyama)
diff --git a/src/screen.c b/src/screen.c
index 4e1fb36..c215d4d 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -4507,11 +4507,11 @@
 		if (wp->w_p_lbr && vim_isbreak(c) && !vim_isbreak(*ptr))
 		{
 # ifdef FEAT_MBYTE
-		    int off = has_mbyte ? (*mb_head_off)(line, ptr - 1) : 0;
+		    int mb_off = has_mbyte ? (*mb_head_off)(line, ptr - 1) : 0;
 # endif
 		    char_u *p = ptr - (
 # ifdef FEAT_MBYTE
-				off +
+				mb_off +
 # endif
 				1);
 
@@ -4523,7 +4523,7 @@
 				       - vcol % (int)wp->w_buffer->b_p_ts - 1;
 
 # ifdef FEAT_MBYTE
-		    c_extra = off > 0 ? MB_FILLER_CHAR : ' ';
+		    c_extra = mb_off > 0 ? MB_FILLER_CHAR : ' ';
 # else
 		    c_extra = ' ';
 # endif
diff --git a/src/version.c b/src/version.c
index af86a17..405b8a7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    671,
+/**/
     670,
 /**/
     669,