test: Make all the run-pass tests use `pub fn main`
diff --git a/src/test/run-pass/issue-4545.rs b/src/test/run-pass/issue-4545.rs
index dfee437..6c018b5 100644
--- a/src/test/run-pass/issue-4545.rs
+++ b/src/test/run-pass/issue-4545.rs
@@ -12,4 +12,4 @@
 // aux-build:issue-4545.rs
 
 extern mod somelib = "issue-4545";
-fn main() { somelib::mk::<int>(); }
+pub fn main() { somelib::mk::<int>(); }