ec/asm/ecp_nistz256-x86_64.pl: fix typo-bug in Win64 SE handler.
Thanks to Jun Sun for spotting this.
@@ -3178,8 +3178,8 @@ full_handler:
mov 8(%r11),%r10d # HandlerData[2]
lea (%rax,%r10),%rax
- mov -8(%rax),%rbx
- mov -16(%rax),%rbp
+ mov -8(%rax),%rbp
+ mov -16(%rax),%rbx
mov -24(%rax),%r12
mov -32(%rax),%r13
mov -40(%rax),%r14
