merge-recursive.c: fix case-changing merge bug

diff --git a/RelNotes b/RelNotes
index 00e77229ddadcb8a13b10b693a96bd76a4cb9f33..58c32c35250bcdeb46b0d6340ec3d246a5e6298c 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.7.1.txt
\ No newline at end of file
+Documentation/RelNotes/1.9.2.txt
\ No newline at end of file