Renamed some thread states.

httpd.c

@@ -529,7 +529,7 @@ static void *job_thread(void *arg)
         }
         else {
             /* it's a q_item */
-            p_state->th_state[pid] = THST_OUT;
+            p_state->th_state[pid] = THST_QUEUE;
 
             process_queue_item(job);
         }
@@ -562,7 +562,7 @@ static void *background_thread(void *arg)
         time_t t;
         int cnt = 0;
 
-        p_state->th_state[0] = THST_IN;
+        p_state->th_state[0] = THST_QUEUE;
 
         {
             xs *list = user_list();

snac.h

@@ -51,7 +51,7 @@ typedef struct {
     time_t srv_start_time;  /* start time */
     int job_fifo_size;      /* job fifo size */
     int n_threads;          /* number of configured threads */
-    enum { THST_WAIT, THST_IN, THST_OUT, THST_STOP } th_state[MAX_THREADS];
+    enum { THST_WAIT, THST_IN, THST_QUEUE, THST_STOP } th_state[MAX_THREADS];
 } srv_state;
 
 void snac_log(snac *user, xs_str *str);