Update ChangeLog file (add v7.6.6 release date)

diff --git a/ChangeLog b/ChangeLog
index 0f441edae093e74909988daf055afd4a4d1e57d7..22d9377e509b9cfdb10aa0689cbfe82c62ffeb0a 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,5 @@
 
-== [7.6.6] (not released yet) ==
+== [7.6.6] 2018-08-07 ==
 
 * COPYING: sync with FSF's gpl-2.0.txt
 * Fix 'undefined reference to __atomic_load/store/cas_16' error (gcc-7/x64)