migrate leak

src/lib/unsafe.rs

@@ -4,7 +4,7 @@ native "rust-intrinsic" mod rusti {
     fn cast<T, U>(src: T) -> U;
 }
 
-native "rust" mod rustrt {
+native "c-stack-cdecl" mod rustrt {
     fn leak<@T>(-thing: T);
 }
 

src/rt/rust_builtin.cpp

@@ -86,7 +86,7 @@ align_of(type_desc *t) {
 }
 
 extern "C" CDECL void
-leak(type_desc *t, void *thing) {
+leak(void *thing) {
     // Do nothing. Call this with move-mode in order to say "Don't worry rust,
     // I'll take care of this."
 }