MINOR: applet: Uninline appctx_free()

This functin is uninlined and move in src/applet.c. It is mandatory to add
traces for applets.
diff --git a/include/haproxy/applet.h b/include/haproxy/applet.h
index e610ba4..b805440 100644
--- a/include/haproxy/applet.h
+++ b/include/haproxy/applet.h
@@ -46,6 +46,7 @@
 struct appctx *appctx_new_on(struct applet *applet, struct sedesc *sedesc, int thr);
 int appctx_finalize_startup(struct appctx *appctx, struct proxy *px, struct buffer *input);
 void appctx_free_on_early_error(struct appctx *appctx);
+void appctx_free(struct appctx *appctx);
 
 static inline struct appctx *appctx_new_here(struct applet *applet, struct sedesc *sedesc)
 {
@@ -88,22 +89,6 @@
 	_HA_ATOMIC_DEC(&nb_applets);
 }
 
-static inline void appctx_free(struct appctx *appctx)
-{
-	/* The task is supposed to be run on this thread, so we can just
-	 * check if it's running already (or about to run) or not
-	 */
-	if (!(appctx->t->state & (TASK_QUEUED | TASK_RUNNING)))
-		__appctx_free(appctx);
-	else {
-		/* if it's running, or about to run, defer the freeing
-		 * until the callback is called.
-		 */
-		appctx->state |= APPLET_WANT_DIE;
-		task_wakeup(appctx->t, TASK_WOKEN_OTHER);
-	}
-}
-
 /* wakes up an applet when conditions have changed. We're using a macro here in
  * order to retrieve the caller's place.
  */
diff --git a/src/applet.c b/src/applet.c
index 63ee155..a79bc63 100644
--- a/src/applet.c
+++ b/src/applet.c
@@ -125,6 +125,23 @@
 	appctx_free(appctx);
 }
 
+void appctx_free(struct appctx *appctx)
+{
+	/* The task is supposed to be run on this thread, so we can just
+	 * check if it's running already (or about to run) or not
+	 */
+	if (!(appctx->t->state & (TASK_QUEUED | TASK_RUNNING))) {
+		__appctx_free(appctx);
+	}
+	else {
+		/* if it's running, or about to run, defer the freeing
+		 * until the callback is called.
+		 */
+		appctx->state |= APPLET_WANT_DIE;
+		task_wakeup(appctx->t, TASK_WOKEN_OTHER);
+	}
+}
+
 /* reserves a command context of at least <size> bytes in the <appctx>, for
  * use by a CLI command or any regular applet. The pointer to this context is
  * stored in ctx.svcctx and is returned. The caller doesn't need to release