updated for version 7.4.487
Problem:    ":sign jump" may use another window even though the file is
            already edited in the current window.
Solution:   First check if the file is in the current window. (James McCoy)
diff --git a/src/testdir/Make_dos.mak b/src/testdir/Make_dos.mak
index 9150043..abcabce 100644
--- a/src/testdir/Make_dos.mak
+++ b/src/testdir/Make_dos.mak
@@ -45,6 +45,7 @@
 		test_mapping.out \
 		test_options.out \
 		test_qf_title.out \
+		test_signs.out \
 		test_utf8.out
 
 SCRIPTS32 =	test50.out test70.out