Fix build error for toolchain upgrade

Change-Id: I2db38c59bd25e113e4ec609c6cd96517886c3395

diff --git a/dali-csharp-binder/src/common.h b/dali-csharp-binder/src/common.h
index fd08961604ba2b0954a3f1978572d7f5222a4b3e..2051d47cb181c70104def0236dd9a3bc24f1e63c 100755 (executable)
--- a/dali-csharp-binder/src/common.h
+++ b/dali-csharp-binder/src/common.h
@@ -89,6 +89,7 @@ template <typename T> T SwigValueInit()
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
+#include <functional>
 
 /*  Errors in SWIG */
 constexpr static int SWIG_UnknownError       = -1;