[gegl] tests: fix commit hash in hot tile test comment

[N/A <ell src gnome org>]

commit 459b7e2d3f02570c619c721e6c161aea2427c6e3
Author: Ell <ell_se yahoo com>
Date:   Tue May 31 20:28:00 2016 +0000

    tests: fix commit hash in hot tile test comment
    
    :P

 tests/simple/test-buffer-hot-tile.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/simple/test-buffer-hot-tile.c b/tests/simple/test-buffer-hot-tile.c
index 0dcad2e..ac1d750 100644
--- a/tests/simple/test-buffer-hot-tile.c
+++ b/tests/simple/test-buffer-hot-tile.c
@@ -27,7 +27,7 @@
 #define FAILURE    -1
 
 /* Test case for the issue fixed by commit
- * 5acc9f958577edab5fde02e0541fba5ff99685d9
+ * cd98e944f5c30a8549f9cc22d5eb7f50a9dca334
  */
 static gint
 test_set_clear_get (void)