[gnome-builder] configuration: return default from gsettings when unset

[Christian Hergert <chergert src gnome org>]

commit c647bda6d477cf91d8f8f9342293714955e378c7
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jan 4 19:09:50 2017 -0800

    configuration: return default from gsettings when unset
    
    If we haven't set the parallel build count manually, we want to use the
    default for the system (which is defined in gsettings).
    
    https://bugzilla.gnome.org/show_bug.cgi?id=776708

 libide/buildsystem/ide-configuration.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/libide/buildsystem/ide-configuration.c b/libide/buildsystem/ide-configuration.c
index 58d3971..1fae34c 100644
--- a/libide/buildsystem/ide-configuration.c
+++ b/libide/buildsystem/ide-configuration.c
@@ -773,6 +773,13 @@ ide_configuration_get_parallelism (IdeConfiguration *self)
 {
   g_return_val_if_fail (IDE_IS_CONFIGURATION (self), -1);
 
+  if (self->parallelism == -1)
+    {
+      g_autoptr(GSettings) settings = g_settings_new ("org.gnome.builder.build");
+
+      return g_settings_get_int (settings, "parallel");
+    }
+
   return self->parallelism;
 }