fix analysis compile bug

Author: Superjomn

paddle/fluid/inference/CMakeLists.txt

@@ -28,9 +28,10 @@ endif()
 if(WITH_TESTING)
   # both tests/book and analysis depends the models that generated by python/paddle/fluid/tests/book
   add_subdirectory(tests/book)
-  add_subdirectory(analysis)
 endif()
 
+add_subdirectory(analysis)
+
 if (TENSORRT_FOUND)
   add_subdirectory(tensorrt)
 endif()