patch: rejname[] is also -r option buffer, and should be PATH_MAX.

Obtained from:	OpenBSD (CVS 1.64)

usr.bin/patch/patch.c

@@ -112,7 +112,7 @@ static bool	reverse_flag_specified = false;
 static bool	Vflag = false;
 
 /* buffer holding the name of the rejected patch file. */
-static char	rejname[NAME_MAX + 1];
+static char	rejname[PATH_MAX];
 
 /* how many input lines have been irretractibly output */
 static LINENUM	last_frozen_line = 0;