Fix visibility.

BYVoid · BYVoid · commit dd8e1a730f85 · 2024-08-06T16:12:59.000-04:00
diff --git a/BUILD.bazel b/BUILD.bazel
@@ -265,6 +265,7 @@ cc_library(
         "src/zmtp_engine.cpp",
         "src/zmtp_engine.hpp",
     ],
+    visibility = ["//visibility:public"],
     deps = [
         ":libzmq_headers_only",
         ":platform",
