Fixed build.

tools/bin2c/bin2c.cpp

@@ -23,7 +23,7 @@ public:
 	{
 	}
 
-	virtual int32_t write(const void* _data, int32_t _size) BX_OVERRIDE
+	virtual int32_t write(const void* _data, int32_t _size, bx::Error* /*_err*/ = NULL) BX_OVERRIDE
 	{
 		const char* data = (const char*)_data;
 		m_buffer.insert(m_buffer.end(), data, data+_size);