[unification] Update label for fuchsia.io.

Bug: 36547
Change-Id: I33986cc922c72400819f26f956d0bc6163b7141d
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/leveldb/+/393658
Reviewed-by: Shai Barack <shayba@google.com>
Commit-Queue: P.Y. Laligand <pylaligand@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index ea76367..14d3df5 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -129,6 +129,7 @@
   ]
 
   public_deps = [
+    "//sdk/fidl/fuchsia.io",
     "//third_party/re2",
     "//third_party/snappy",
     "//zircon/public/lib/async",
@@ -136,7 +137,6 @@
     "//zircon/public/lib/fdio",
     "//zircon/public/lib/fit",
     "//zircon/public/lib/zx",
-    "//zircon/system/fidl/fuchsia-io",
     "//zircon/system/ulib/async-loop:async-loop-cpp",
     "//zircon/system/ulib/async-loop:async-loop-default",
     "//zircon/system/ulib/syslog",