Make x86_64-mont.pl work with debug Win64 build.

diff --git a/crypto/bn/asm/x86_64-mont.pl b/crypto/bn/asm/x86_64-mont.pl
index 6b33c7e9ea895a6c4b98698d451e521b6a042fba..c43b69592a5cea8ad021069be57db9c81090a5fd 100755 (executable)
--- a/crypto/bn/asm/x86_64-mont.pl
+++ b/crypto/bn/asm/x86_64-mont.pl
@@ -54,6 +54,7 @@ bn_mul_mont:
        push    %r14
        push    %r15
 
+       mov     ${num}d,${num}d
        lea     2($num),%rax
        mov     %rsp,%rbp
        neg     %rax