[gnome-builder] libide: Add nullable annotation to ide_diagnostic_get_location()

[Patrick Griffis <pgriffis src gnome org>]

commit 0d6d5bbcc715d3ecd2ca8ba40dee800d13e9aa2f
Author: Patrick Griffis <tingping tingping se>
Date:   Thu Sep 7 15:35:31 2017 -0400

    libide: Add nullable annotation to ide_diagnostic_get_location()

 libide/diagnostics/ide-diagnostic.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libide/diagnostics/ide-diagnostic.c b/libide/diagnostics/ide-diagnostic.c
index 3eff6b6..21cebe3 100644
--- a/libide/diagnostics/ide-diagnostic.c
+++ b/libide/diagnostics/ide-diagnostic.c
@@ -199,7 +199,7 @@ ide_diagnostic_get_location (IdeDiagnostic *self)
  * ide_diagnostic_new:
  * @severity: the severity of the diagnostic
  * @text: the diagnostic message text
- * @location: the location of the diagnostic
+ * @location: (nullable): the location of the diagnostic
  *
  * Creates a new diagnostic.
  *