linux: fix gcc 4.3 issues (for arm)

chrome/browser/sync/engine/syncer_util.cc

Index: chrome/browser/sync/engine/syncer_util.cc
diff --git a/chrome/browser/sync/engine/syncer_util.cc b/chrome/browser/sync/engine/syncer_util.cc
index 8bd4819fb600cbb54763394d6641769d3a8e79b5..8e328387ea6c155c09d04c5e079df1aa22f81859 100644
--- a/chrome/browser/sync/engine/syncer_util.cc
+++ b/chrome/browser/sync/engine/syncer_util.cc
@@ -815,8 +815,8 @@ syncable::Id SyncerUtil::ComputePrevIdFromServerPosition(
       // If |candidate| is after |update_entry| according to the server
       // ordering, then we're done.  ID is the tiebreaker.
       if ((candidate.Get(SERVER_POSITION_IN_PARENT) > position_in_parent) ||
-          (candidate.Get(SERVER_POSITION_IN_PARENT) == position_in_parent) &&
-           (candidate.Get(ID) > update_item->Get(ID))) {
+          ((candidate.Get(SERVER_POSITION_IN_PARENT) == position_in_parent) &&
+           (candidate.Get(ID) > update_item->Get(ID)))) {
           return closest_sibling;
       }
     }