fix compiler warning about missing prototype

Backport of r1738461 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x-openssl-1.1.0-compat@1755864 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/modules/ssl/ssl_engine_init.c b/modules/ssl/ssl_engine_init.c
index 6b09f8dd1340dadaaf54b1e8fd86b3974ce62999..d624d0633fd3b284187ce7715f298212e00e11ad 100644 (file)
--- a/modules/ssl/ssl_engine_init.c
+++ b/modules/ssl/ssl_engine_init.c
@@ -50,7 +50,7 @@ APR_IMPLEMENT_OPTIONAL_HOOK_RUN_ALL(ssl, SSL, int, init_server,
 #if OPENSSL_VERSION_NUMBER < 0x10100000L
 /* OpenSSL Pre-1.1.0 compatibility */
 /* Taken from OpenSSL 1.1.0 snapshot 20160410 */
-int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
+static int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
 {
     /* q is optional */
     if (p == NULL || g == NULL)