t/Makefile: fix result handling with TEST_OUTPUT_DIRECTORY

diff --git a/RelNotes b/RelNotes
index 1b9812afe7f69859b0828e1ad4aed2de31e35e46..1566ea44df08688bcd83c22edce60af0deb3299f 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.5.5.4.txt
\ No newline at end of file
+Documentation/RelNotes/1.8.2.2.txt
\ No newline at end of file