patch 7.4.1494
Problem:    clr_history() does not work properly.
Solution:   Increment hisptr. Add a test. (Yegappan Lakshmanan)
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 854220f..5ad1718 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -175,6 +175,7 @@
 	    test_cdo.res \
 	    test_channel.res \
 	    test_hardcopy.res \
+	    test_history.res \
 	    test_increment.res \
 	    test_json.res \
 	    test_langmap.res \