[4.0] changed to return null string (not NULL) in KeyEvent's error case

Change-Id: Ib954727910fd34220cb755a87f94dbc193e8d63c
Signed-off-by: dongsug.song <dongsug.song@samsung.com>

diff --git a/dali-csharp-binder/src/dali_wrap.cpp b/dali-csharp-binder/src/dali_wrap.cpp
index 521f283..882eac4 100755 (executable)
--- a/dali-csharp-binder/src/dali_wrap.cpp
+++ b/dali-csharp-binder/src/dali_wrap.cpp
@@ -31348,7 +31348,7 @@ SWIGEXPORT char * SWIGSTDCALL CSharp_Dali_Key_keyPressed_get(void * jarg1) {
   char * jresult ;
   if( NULL == jarg1 )
   {
-    jresult = NULL;
+    jresult = SWIG_csharp_string_callback( "" );
   }
   else
   {