Merge r76122 from trunk:

Avoid testing undefined symbols.  No functional change.

* apr-util/misc/apr_queue.c
  Include the header that defines the symbols we are testing.

Submitted by: Julian Foad <julianfoad btopenworld.com>



git-svn-id: https://svn.apache.org/repos/asf/apr/apr-util/branches/APU_0_9_BRANCH@76128 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/misc/apr_queue.c b/misc/apr_queue.c
index 89e190c..2634b25 100644
--- a/misc/apr_queue.c
+++ b/misc/apr_queue.c
@@ -12,6 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
+#include "apr.h"
+
 #if APR_HAVE_STDIO_H
 #include <stdio.h>
 #endif