shttpd: SSL_OP_NO_TLSv1_1/2 needs OPENSSL_VERSION_NUMBER >= 0x10001000L
diff --git a/src/server/shttpd/config.c b/src/server/shttpd/config.c
index 2ba5ad2..67b904d 100644
--- a/src/server/shttpd/config.c
+++ b/src/server/shttpd/config.c
@@ -134,8 +134,10 @@
             { "SSLv2", SSL_OP_NO_SSLv2 },
             { "SSLv3", SSL_OP_NO_SSLv3 },
             { "TLSv1", SSL_OP_NO_TLSv1 },
+# if OPENSSL_VERSION_NUMBER >= 0x10001000L
             { "TLSv1_1", SSL_OP_NO_TLSv1_1 },
             { "TLSv1_2", SSL_OP_NO_TLSv1_2 },
+# endif
             { NULL, 0 }
           };
           char *blank_ptr;