Change parsing of buck output for infer-deps.txt

Summary: Filenames can contain spaces, so we need to split on the first ' '

Reviewed By: jvillard

Differential Revision: D21618408

fbshipit-source-id: b1e472d18

infer/src/integration/BuckFlavors.ml

@@ -73,8 +73,8 @@ let run_buck_build prog buck_build_args =
   *)
   let process_buck_line acc line =
     L.debug Capture Verbose "BUCK OUT: %s@." line ;
-    match String.split ~on:' ' line with
-    | [_; target_path] ->
+    match String.lsplit2 ~on:' ' line with
+    | Some (_, target_path) ->
         let filename =
           ResultsDirEntryName.get_path
             ~results_dir:(Config.project_root ^/ target_path)