!15593 SoLoader refresh demo

From: @zhaodezan
Reviewed-by: @jpc_chenjianping,@zhanghaibo5
Signed-off-by: @jpc_chenjianping

mindspore/lite/examples/quick_start_cpp/CMakeLists.txt

@@ -27,4 +27,10 @@ if(WIN32)
             mindspore_quick_start_cpp
             ssp
     )
-endif()
+else()
+    target_link_libraries(
+            mindspore_quick_start_cpp
+            dl
+    )
+endif()
+