Add iOS support
diff --git a/ChangeLog b/ChangeLog
index 46b65aa..1da3918 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-02-08  Anthony Green  <green@moxielogic.com>
+
+	* configure.ac (SYMBOL_UNDERSCORE): Define.
+
 2011-02-08  Oren Held  <orenhe@il.ibm.com>
 
 	* src/dlmalloc.c (_STRUCT_MALLINFO): Define in order to avoid