don't use flags that aren't supported by certain versions of OPENSSL

Former-commit-id: 1ae9af250513d1430160b37d24ba617551402926

src/tls.cpp

@@ -190,6 +190,8 @@ void tlsInit(void) {
      */
     #if OPENSSL_VERSION_NUMBER < 0x10100000L
     OPENSSL_config(NULL);
+    #elif OPENSSL_VERSION_NUMBER < 0x10101000L
+    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL);
     #else
     OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG|OPENSSL_INIT_ATFORK, NULL);
     #endif