Change the arrow dependency from private to public in velox_external_…

…hdfs (#11371)

Summary:
Fix #9835 (comment)

Pull Request resolved: #11371

Reviewed By: Yuhta

Differential Revision: D65420201

Pulled By: mbasmanova

fbshipit-source-id: 4bf4fc418f61c246b4113960e499e054c6b7ece8

velox/external/hdfs/CMakeLists.txt

@@ -14,6 +14,6 @@ if(${VELOX_ENABLE_HDFS})
   velox_add_library(velox_external_hdfs ArrowHdfsInternal.cpp)
   velox_link_libraries(
         velox_external_hdfs
-        PRIVATE
+        PUBLIC
         arrow)
 endif()