updated for version 7.4.483
Problem:    A 0x80 byte is not handled correctly in abbreviations.
Solution:   Unescape special characters. Add a test. (Christian Brabandt)
diff --git a/src/testdir/Make_os2.mak b/src/testdir/Make_os2.mak
index d3e8337..cfade3f 100644
--- a/src/testdir/Make_os2.mak
+++ b/src/testdir/Make_os2.mak
@@ -44,6 +44,7 @@
 		test_insertcount.out \
 		test_listlbr.out \
 		test_listlbr_utf8.out \
+		test_mapping.out \
 		test_options.out \
 		test_qf_title.out \
 		test_utf8.out