[gnome-builder] build-pipeline: clear messages between stages

[Christian Hergert <chergert src gnome org>]

commit 634110f4bc8977d816352855b85e2b8c4d1fe4fc
Author: Christian Hergert <chergert redhat com>
Date:   Wed Dec 6 01:23:35 2017 -0800

    build-pipeline: clear messages between stages

 src/libide/buildsystem/ide-build-pipeline.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/libide/buildsystem/ide-build-pipeline.c b/src/libide/buildsystem/ide-build-pipeline.c
index ec929f8..ef6b0f6 100644
--- a/src/libide/buildsystem/ide-build-pipeline.c
+++ b/src/libide/buildsystem/ide-build-pipeline.c
@@ -1387,6 +1387,9 @@ ide_build_pipeline_tick_execute (IdeBuildPipeline *self,
   g_assert (td->phase != IDE_BUILD_PHASE_NONE);
   g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
 
+  /* Clear any message from the previous stage */
+  _ide_build_pipeline_set_message (self, NULL);
+
   /* Short circuit now if the task was cancelled */
   if (g_task_return_error_if_cancelled (task))
     IDE_EXIT;