[runtime] Fix a warning.

diff --git a/mono/utils/mono-threads-windows.c b/mono/utils/mono-threads-windows.c
index cd873c06af9a53428ad296d36d66bd241cb79b03..bc6e8c14434e048b5236fd1c4a7ad65c7d290ee0 100644 (file)
--- a/mono/utils/mono-threads-windows.c
+++ b/mono/utils/mono-threads-windows.c
@@ -193,7 +193,6 @@ mono_threads_core_get_stack_bounds (guint8 **staddr, size_t *stsize)
 {
 #ifdef TARGET_AMD64
        /* win7 apis */
-       PNT_TIB ptib = (PNT_TIB)NtCurrentTeb();
        NT_TIB* tib = (NT_TIB*)NtCurrentTeb();
        guint8 *stackTop = (guint8*)tib->StackBase;
        guint8 *stackBottom = (guint8*)tib->StackLimit;