http://bugs.gentoo.org/304283

--- crypto/wvx509.cc
+++ crypto/wvx509.cc
@@ -1157,7 +1157,11 @@
         
         if (ext)
         {
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+            const X509V3_EXT_METHOD *method = X509V3_EXT_get(ext);
+#else
             X509V3_EXT_METHOD *method = X509V3_EXT_get(ext);
+#endif
             if (!method)
             {
                 WvDynBuf buf;
