Compiler warning fixes.

--- mod_auth_kerb-5.4/src/mod_auth_kerb.c.fixes
+++ mod_auth_kerb-5.4/src/mod_auth_kerb.c
@@ -677,7 +677,8 @@ end:
 static krb5_error_code
 verify_krb5_user(request_rec *r, krb5_context context, krb5_principal principal,
       		 const char *password, krb5_principal server,
-		 krb5_keytab keytab, int krb_verify_kdc, char *krb_service_name, krb5_ccache *ccache)
+		 krb5_keytab keytab, int krb_verify_kdc, 
+                 const char *krb_service_name, krb5_ccache *ccache)
 {
    krb5_creds creds;
    krb5_get_init_creds_opt options;
@@ -1280,6 +1281,7 @@ get_gss_creds(request_rec *r,
    return 0;
 }
 
+#ifndef GSSAPI_SUPPORTS_SPNEGO
 static int
 cmp_gss_type(gss_buffer_t token, gss_OID oid)
 {
@@ -1306,6 +1308,7 @@ cmp_gss_type(gss_buffer_t token, gss_OID
 
    return memcmp(p, oid->elements, oid->length);
 }
+#endif
 
 static int
 authenticate_user_gss(request_rec *r, kerb_auth_config *conf,
@@ -1722,7 +1725,7 @@ kerb_authenticate_user(request_rec *r)
    return ret;
 }
 
-int
+static int
 have_rcache_type(const char *type)
 {
    krb5_error_code ret;