apr_crypto: follow up to r1836445: fix APR_USE_OPENSSL_PRE_1_1_API check.
APR_USE_OPENSSL_PRE_1_1_API is always defined, change #ifdef to #if to build
with openssl >= 1.1.
@@ -201,7 +201,7 @@ void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx)
#endif
-#ifdef APR_USE_OPENSSL_PRE_1_1_API
+#if APR_USE_OPENSSL_PRE_1_1_API
#define EVP_MD_CTX_new EVP_MD_CTX_create
#define EVP_MD_CTX_free EVP_MD_CTX_destroy
#endif
