Update ChangeLog file (add v7.6.4 release date)

diff --git a/ChangeLog b/ChangeLog
index d79c44f3f63bf6d0cbb5d10ee2a6bb3d2111a660..69c77ae8bdfff0aa0b7d79133a4713888757e128 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,5 @@
 
-== [7.6.4] (not released yet) ==
+== [7.6.4] 2018-03-27 ==
 
 * Add RISC-V support
 * Convert atomic_ops_malloc.c and tests to valid C++ code