server: Remove redundant NULL check before free() (found by Smatch).
diff --git a/server/hook.c b/server/hook.c
index e8a72a81..8e0a797 100644
--- a/server/hook.c
+++ b/server/hook.c
@@ -149,7 +149,7 @@
 static void free_hook( struct hook *hook )
 {
     free_user_handle( hook->handle );
-    if (hook->module) free( hook->module );
+    free( hook->module );
     if (hook->thread)
     {
         assert( hook->thread->desktop_users > 0 );
@@ -437,7 +437,7 @@
         reply->handle = hook->handle;
         reply->active_hooks = get_active_hooks();
     }
-    else if (module) free( module );
+    else free( module );
 
 done:
     if (process) release_object( process );