fix: use thread HANDLE in trace_thread

Author: aminya

src/backtrace/dbghelp.rs

@@ -95,7 +95,7 @@ pub unsafe fn trace(cb: &mut dyn FnMut(&super::Frame) -> bool) {
 }
 
 #[inline(always)]
-pub unsafe fn trace_thread(cb: &mut dyn FnMut(&super::Frame) -> bool, thread: *mut c_void) {
+pub unsafe fn trace_thread(cb: &mut dyn FnMut(&super::Frame) -> bool, thread: HANDLE) {
     // Allocate necessary structures for doing the stack walk
     let process = GetCurrentProcess();
 

src/backtrace/mod.rs

@@ -82,7 +82,7 @@ pub unsafe fn trace_thread_unsynchronized<F: FnMut(&Frame) -> bool>(
     thread: *mut c_void,
     mut cb: F,
 ) {
-    trace_thread_imp(&mut cb, thread)
+    trace_thread_imp(&mut cb, thread as super::windows::HANDLE);
 }
 
 /// A trait representing one frame of a backtrace, yielded to the `trace`