All: Convert from C runtime library perror() to sim_perror so that all messages will arrive in the same place(s).

Ibm1130/ibm1130_cpu.c

@@ -1704,7 +1704,7 @@ static t_stat cpu_attach (UNIT *uptr, char *cptr)
 			return SCPE_ARG;
 		}
 		if ((fd = fopen(mapfile, "r")) == NULL) {
-			perror(mapfile);
+			sim_perror(mapfile);
 			return SCPE_OPENERR;
 		}
 

Ibm1130/ibm1130_prt.c

@@ -662,7 +662,7 @@ static t_stat delete_cmd (int32 flag, char *cptr)
 	status = remove(gbuf);						/* delete the file */
 
 	if (status != 0 && errno != ENOENT)			/* print message if failed and file exists */
-		perror(gbuf);
+		sim_perror(gbuf);
 
 	return SCPE_OK;
 }