[singlejar] cleanup port library

/cc @laszlocsomor

Closes #5655.

PiperOrigin-RevId: 206319221
diff --git a/src/tools/singlejar/BUILD b/src/tools/singlejar/BUILD
index edf806b..0caba91 100644
--- a/src/tools/singlejar/BUILD
+++ b/src/tools/singlejar/BUILD
@@ -401,6 +401,7 @@
         ":input_jar",
         ":mapped_file",
         ":options",
+        ":port",
         "//src/main/cpp/util",
         "//third_party/zlib",
     ],