fix thread priority code, this has never worked until today

libs/apr/.update

@@ -1 +1 @@
-Mon Sep 27 13:15:54 CDT 2010
+Thu Sep 27 13:36:14 CDT 2012

libs/apr/include/arch/unix/apr_arch_threadproc.h

@@ -60,6 +60,7 @@ struct apr_thread_t {
 struct apr_threadattr_t {
     apr_pool_t *pool;
     pthread_attr_t attr;
+	int priority;
 };
 
 struct apr_threadkey_t {

libs/apr/threadproc/unix/thread.c

@@ -174,6 +174,11 @@ APR_DECLARE(apr_status_t) apr_thread_create(apr_thread_t **new,
     }
 
     if ((stat = pthread_create((*new)->td, temp, dummy_worker, (*new))) == 0) {
+		if (attr->priority) {
+			pthread_t *thread = (*new)->td;
+			pthread_setschedprio(*thread, attr->priority);
+		}
+
         return APR_SUCCESS;
     }
     else {