zip: few CS touch ups.

Author: ctalkington

lib/archivers/zip/zip-archive-output-stream.js

@@ -48,7 +48,6 @@ ZipArchiveOutputStream.prototype._afterAppend = function(ae) {
     this._writeDataDescriptor(ae);
   }
 
-
   this._archive.processing = false;
   this._entry = null;
 
@@ -252,7 +251,6 @@ ZipArchiveOutputStream.prototype._writeCentralFileHeader = function(ae) {
   var method = ae.getMethod();
   var offsets = ae._offsets;
 
-  var extraBuf;
   var size = ae.getSize();
   var compressedSize = ae.getCompressedSize();
 
@@ -262,7 +260,7 @@ ZipArchiveOutputStream.prototype._writeCentralFileHeader = function(ae) {
 
     ae.setVersionNeededToExtract(constants.MIN_VERSION_ZIP64);
 
-    extraBuf = new Buffer(28);
+    var extraBuf = new Buffer(28);
     extraBuf.write(zipUtil.getShortBytes(constants.ZIP64_EXTRA_ID));
     extraBuf.write(zipUtil.getShortBytes(24));
     extraBuf.write(zipUtil.getEightBytes(ae.getSize()));