upgrades linked_list_allocator (#574)

Cargo.lock

@@ -258,9 +258,9 @@ dependencies = [
 
 [[package]]
 name = "linked_list_allocator"
-version = "0.8.11"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "822add9edb1860698b79522510da17bef885171f75aa395cff099d770c609c24"
+checksum = "e322f259d225fbae43a1b053b2dc6a5968a6bdf8b205f5de684dab485b95030e"
 
 [[package]]
 name = "log"

third_party/lang-items/Cargo.toml

@@ -11,7 +11,7 @@ edition = "2018"
 [dependencies]
 libtock_core = { path = "../../third_party/libtock-rs/core", default-features = false, features = ["alloc_init", "custom_panic_handler", "custom_alloc_error_handler"] }
 libtock_drivers = { path = "../libtock-drivers" }
-linked_list_allocator = { version = "0.8.7", default-features = false, features = ["const_mut_refs"] }
+linked_list_allocator = { version = "0.10.2", default-features = false, features = ["const_mut_refs"] }
 
 [features]
 debug_allocations = []

third_party/lang-items/src/allocator.rs

@@ -16,7 +16,7 @@ static mut HEAP: Heap = Heap::empty();
 
 #[no_mangle]
 unsafe fn libtock_alloc_init(app_heap_start: usize, app_heap_size: usize) {
-    HEAP.init(app_heap_start, app_heap_size);
+    HEAP.init(app_heap_start as *mut u8, app_heap_size);
 }
 
 // With the "debug_allocations" feature, we use `AtomicUsize` to store the