ieee: remove extra qualification Double::
diff --git a/double-conversion/ieee.h b/double-conversion/ieee.h
index 661141d..b14cf4f 100644
--- a/double-conversion/ieee.h
+++ b/double-conversion/ieee.h
@@ -99,7 +99,7 @@
   }
 
   double PreviousDouble() const {
-    if (d64_ == (kInfinity | kSignMask)) return -Double::Infinity();
+    if (d64_ == (kInfinity | kSignMask)) return -Infinity();
     if (Sign() < 0) {
       return Double(d64_ + 1).value();
     } else {