[core] fix macOS build when missing CRYPTO_mem_ctrl

https://github.com/signalwire/freeswitch/issues/1461
https://github.com/signalwire/libks/commit/3493e9c952964c80e402aa0497891d57dc5f8d40

diff --git a/src/switch_core_cert.c b/src/switch_core_cert.c
index 565f548e514a2a0ed4d4a07db887c30423290d7e..c4fdd842105e5107dc9a9ca45bf271f01eb0ecee 100644 (file)
--- a/src/switch_core_cert.c
+++ b/src/switch_core_cert.c
@@ -281,7 +281,9 @@ SWITCH_DECLARE(int) switch_core_gen_certs(const char *prefix)
                }
        }
 
+#ifdef CRYPTO_MEM_CHECK_ON
        CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+#endif
 
        //bio_err=BIO_new_fp(stderr, BIO_NOCLOSE);