[glib] gtestutils: Fix a typo in the documentation for GTestFileType

[Philip Withnall <pwithnall src gnome org>]

commit 447044aef3d55e0d3211a3140f44dc44654e0c58
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Wed Oct 12 16:47:40 2016 +0100

    gtestutils: Fix a typo in the documentation for GTestFileType
    
    EXTRA_DIST, not DIST_EXTRA.

 glib/gtestutils.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glib/gtestutils.c b/glib/gtestutils.c
index bb1bdd4..30b11f7 100644
--- a/glib/gtestutils.c
+++ b/glib/gtestutils.c
@@ -3408,7 +3408,7 @@ g_test_build_filename_va (GTestFileType  file_type,
  * 'built' terminology that automake uses and are explicitly used to
  * distinguish between the 'srcdir' and 'builddir' being separate.  All
  * files in your project should either be dist (in the
- * `DIST_EXTRA` or `dist_schema_DATA`
+ * `EXTRA_DIST` or `dist_schema_DATA`
  * sense, in which case they will always be in the srcdir) or built (in
  * the `BUILT_SOURCES` sense, in which case they will
  * always be in the builddir).