sha512-x86_64.pl: fix typo.

PR: #3431
(cherry picked from commit 7eb9680ae1bf5dd9aeb61c401f2c3bd900ac9aeb)

diff --git a/crypto/sha/asm/sha512-x86_64.pl b/crypto/sha/asm/sha512-x86_64.pl
index 9941da93e2e33b5f348155907d1f5c08ccee54fd..eef5f3f30cde2e27ec0e07f6d81e25bbe3b37edd 100755 (executable)
--- a/crypto/sha/asm/sha512-x86_64.pl
+++ b/crypto/sha/asm/sha512-x86_64.pl
@@ -2306,7 +2306,7 @@ $code.=<<___;
        .rva    .LSEH_end_$func
        .rva    .LSEH_info_$func
 ___
-$code.=<<___ if ($SZ==4 && $shext);
+$code.=<<___ if ($SZ==4 && $shaext);
        .rva    .LSEH_begin_${func}_shaext
        .rva    .LSEH_end_${func}_shaext
        .rva    .LSEH_info_${func}_shaext