File f2003-io-keywords.patch of Package ftnchek

--- ftnchek/iokeywds.h.orig	2020-09-10 10:42:04.754046544 +0200
+++ ftnchek/iokeywds.h	2020-09-10 10:42:05.074054293 +0200
@@ -113,6 +113,11 @@ IO_Keywords io_keywords[]={ /* beware, s
 {"SIZE",      RD,        INT,    0, 1, 0, 1, 0, 0},
 {"WRITE",     INQ,       CHR,    0, 0, 1, 1, 0, 0},
 
+				/* Fortran 2003 I/O keywords */
+{"IOMSG",     ANYSTMT,   CHR,    0, 1, 1, 1, 0, 0},
+{"ROUND",     RD|WR,     CHR,    1, 0, 0, 1, 0, 0},
+{"SIGN",      OP,        CHR,    1, 0, 0, 1, 0, 0},
+
 				/* Various vendor-specific keywords */
 
 			/* NAME is a special case for VMS */