[gnome-builder] threading: fix warning on clang

[Christian Hergert <chergert src gnome org>]

commit 131a4aa5e5f2c54de15ab75d605a2f96737067f2
Author: Christian Hergert <chergert redhat com>
Date:   Mon Feb 25 17:57:47 2019 -0800

    threading: fix warning on clang

 src/libide/threading/ide-task.h | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/src/libide/threading/ide-task.h b/src/libide/threading/ide-task.h
index b424edad7..35d01a936 100644
--- a/src/libide/threading/ide-task.h
+++ b/src/libide/threading/ide-task.h
@@ -177,13 +177,13 @@ void          ide_task_report_new_error          (gpointer              source_o
     ide_task_set_name (__ide_task, g_intern_static_string (G_STRLOC));             \
     __ide_task;                                                                    \
   })
-# define ide_task_set_task_data(t,d,n)                        \
-  G_STMT_START {                                              \
-    __typeof__((d)) __task_data = (d);                        \
-    (ide_task_set_task_data) ((t),                            \
-                              __task_data,                    \
-                              0 ? (((n) (__task_data)), NULL) \
-                                : ((GDestroyNotify)(n)));     \
+# define ide_task_set_task_data(t,d,n)                                        \
+  G_STMT_START {                                                              \
+    __typeof__((d)) __task_data = (d);                                        \
+    (ide_task_set_task_data) ((t),                                            \
+                              __task_data,                                    \
+                              0 ? (((n) (__task_data)), (GDestroyNotify)NULL) \
+                                : ((GDestroyNotify)(n)));                     \
   } G_STMT_END
 #endif