[master] Replaced empty for old Botan versions

3b6460cd · Francis Dupont · 419a93bc · 3b6460cd
Commit 3b6460cd authored Nov 16, 2016 by Francis Dupont
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src/lib/cryptolink/botan_hmac.cc src/lib/cryptolink/botan_hmac.cc +1 -1

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--- a/src/lib/cryptolink/botan_hmac.cc
+++ b/src/lib/cryptolink/botan_hmac.cc
@@ -183,7 +183,7 @@ public:
            if (len > size) {
                len = size;
            }
-            if (digest_.empty()) {
+            if (digest_.size() == 0) {
                digest_ = hmac_->final();
            }
            return (Botan::same_mem(&digest_[0],