fix build with botan 3.11 (keepassxreboot#13161)

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Co-authored-by: Jonathan White <support@dmapps.us>

Author: 2 people

src/sshagent/OpenSSHKeyGen.cpp

@@ -24,6 +24,10 @@
 #include <botan/ecdsa.h>
 #include <botan/ed25519.h>
 #include <botan/rsa.h>
+#include <botan/version.h>
+#if BOTAN_VERSION_CODE >= BOTAN_VERSION_CODE_FOR(3, 11, 0)
+#include <botan/ec_group.h>
+#endif
 
 namespace OpenSSHKeyGen
 {