patch 8.0.1497: getting the jump list requires parsing the output of :jumps

Problem:    Getting the jump list requires parsing the output of :jumps.
Solution:   Add getjumplist(). (Yegappan Lakshmanan, closes #2609)
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 4626d80..2d98fa6 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -120,6 +120,7 @@
 	    test_ins_complete.res \
 	    test_job_fails.res \
 	    test_json.res \
+	    test_jumplist.res \
 	    test_langmap.res \
 	    test_let.res \
 	    test_lineending.res \