Type of boxed and byref values obtained properly now (Forum-7548)

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1395 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Variables/Value.cs

@@ -240,13 +240,13 @@ namespace Debugger
 		
 		internal static Value CreateValue(NDebugger debugger, ICorDebugValue corValue)
 		{
-			CorElementType type = Value.GetCorType(corValue);
-			
-			if (Value.DereferenceUnbox(corValue) == null)
-			{
+			ICorDebugValue derefed = Value.DereferenceUnbox(corValue);
+			if (derefed == null) {
 				return new NullValue(debugger, corValue);
 			}
 			
+			CorElementType type = Value.GetCorType(derefed);
+			
 			switch(type)
 			{
 				case CorElementType.BOOLEAN: