abstract kernel_demo and simplify imagekernel func
diff --git a/xcore/Makefile.am b/xcore/Makefile.am
index 724ab36..bada37d 100644
--- a/xcore/Makefile.am
+++ b/xcore/Makefile.am
@@ -98,6 +98,7 @@
 	cl_memory.cpp            \
 	cl_image_handler.cpp     \
 	cl_image_processor.cpp   \
+	cl_demo_handler.cpp      \
 	drm_bo_buffer.cpp        \
 	$(NULL)
 endif