Bug 737463 - nsJARInputStream leaks if it is closed before the stream is inflated. r=mwu

modules/libjar/nsJARInputStream.cpp

@@ -276,6 +276,9 @@ nsJARInputStream::IsNonBlocking(bool *aNonBlocking)
 NS_IMETHODIMP
 nsJARInputStream::Close()
 {
+    if (mMode == MODE_INFLATE) {
+        inflateEnd(&mZs);
+    }
     mMode = MODE_CLOSED;
     mFd = nsnull;
     return NS_OK;