updated for version 7.4.589

Problem:    In the MS-Windows console Vim can't handle greek characters when
            encoding is utf-8.
Solution:   Escape K_NUL. (Yasuhiro Matsumoto)

src/os_win32.c

@@ -1814,6 +1814,9 @@ mch_inchar(
 		if (conv)
 		{
 		    char_u *p = typeahead + typeaheadlen;
+
+		    if (*p != K_NUL)
+		    {
 			char_u *e = typeahead + TYPEAHEADLEN;
 
 			while (*p && p < e)
@@ -1828,6 +1831,7 @@ mch_inchar(
 			    ++p;
 			}
 		    }
+		}
 
 		/* Use the ALT key to set the 8th bit of the character
 		 * when it's one byte, the 8th bit isn't set yet and not

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    589,
 /**/
     588,
 /**/