autoscr: Fix one-character lines and non-newline terminated scripts

When not using hush, the autoscr command now executes lines that are
only one character long. It also runs the last line of scripts even if
it does not end in a newline.
Signed-off-by: NPetri Lehtinen <petri.lehtinen@inoi.fi>

common/cmd_autoscript.c

@@ -180,7 +180,7 @@ autoscript (ulong addr, const char *fit_uname)
 			if (*next == '\n') {
 				*next = '\0';
 				/* run only non-empty commands */
-				if ((next - line) > 1) {
+				if (*line) {
 					debug ("** exec: \"%s\"\n",
 						line);
 					if (run_command (line, 0) < 0) {
@@ -192,6 +192,8 @@ autoscript (ulong addr, const char *fit_uname)
 			}
 			++next;
 		}
+		if (rcode == 0 && *line)
+			rcode = (run_command(line, 0) >= 0);
 	}
 #endif
 	free (cmd);