Auto-detect whether running inside Valgrind.
Auto-detect whether running inside Valgrind, thus removing the need to
manually specify MALLOC_CONF=valgrind:true.
diff --git a/ChangeLog b/ChangeLog
index 829482f..c886505 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -8,6 +8,10 @@
* 3.x.x (XXX not yet released)
+ New features:
+ - Auto-detect whether running inside Valgrind, thus removing the need to
+ manually specify MALLOC_CONF=valgrind:true.
+
Bug fixes:
- Fix heap profiling crash if sampled object is freed via realloc(p, 0).