[gnome-builder] subprocess: add missing ide_subprocess_launcher_set_stdout_path()

[Christian Hergert <chergert src gnome org>]

commit c36643fbe0c163512861f17d792fb498b4e809d5
Author: Christian Hergert <chergert redhat com>
Date:   Tue Feb 28 15:30:26 2017 -0800

    subprocess: add missing ide_subprocess_launcher_set_stdout_path()

 libide/subprocess/ide-subprocess-launcher.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/libide/subprocess/ide-subprocess-launcher.c b/libide/subprocess/ide-subprocess-launcher.c
index dafe9dd..e57ad4c 100644
--- a/libide/subprocess/ide-subprocess-launcher.c
+++ b/libide/subprocess/ide-subprocess-launcher.c
@@ -971,3 +971,18 @@ ide_subprocess_launcher_take_fd (IdeSubprocessLauncher *self,
 
   g_array_append_val (priv->fd_mapping, map);
 }
+
+void
+ide_subprocess_launcher_set_stdout_file_path (IdeSubprocessLauncher *self,
+                                              const gchar           *stdout_file_path)
+{
+  IdeSubprocessLauncherPrivate *priv = ide_subprocess_launcher_get_instance_private (self);
+
+  g_return_if_fail (IDE_IS_SUBPROCESS_LAUNCHER (self));
+
+  if (g_strcmp0 (priv->stdout_file_path, stdout_file_path) != 0)
+    {
+      g_free (priv->stdout_file_path);
+      priv->stdout_file_path = g_strdup (stdout_file_path);
+    }
+}