--- main.c	2018-02-26 07:40:35.744523263 -0600
+++ main_modified.c	2018-02-26 07:41:17.924954948 -0600
@@ -675,7 +675,7 @@
 #endif
 		if ((addr = read_file(*fnp ? fnp : old_filename, second_addr)) < 0)
 			return ERR;
-		else if (addr && addr != addr_last)
+		else if (addr)
 			modified = 1;
 		break;
 	case 's':