crypt32: Remove unwanted shadow variable

[Andrew Talbot]

Changelog:
    crypt32: Remove unwanted shadow variable.

diff --git a/dlls/crypt32/encode.c b/dlls/crypt32/encode.c
index f769afc..9071e5c 100644
--- a/dlls/crypt32/encode.c
+++ b/dlls/crypt32/encode.c
@@ -1227,7 +1227,6 @@ static BOOL WINAPI CRYPT_DEREncodeItemsAsSet(DWORD dwCertEncodingType,
     if (ret)
     {
         DWORD bytesNeeded = 0, lenBytes;
-        BOOL ret;
 
         for (i = 0; i < setOf.cBlob; i++)
             bytesNeeded += setOf.rgBlob[i].cbData;