[gtk-doc] make: clean a compiled gtkdoc-depscan

[Stefan Kost <stefkost src gnome org>]

commit ff8f0f4e810b05bb58b8f687f3809a7596b78729
Author: Stefan Sauer <ensonic users sf net>
Date:   Sun May 17 10:56:48 2015 +0200

    make: clean a compiled gtkdoc-depscan

 Makefile.am |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 5f8eb11..de22c19 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -85,7 +85,8 @@ EXTRA_DIST = \
 
 CLEANFILES = \
   gtk-doc.flat.make \
-  gtk-doc.notmpl-flat.make
+  gtk-doc.notmpl-flat.make \
+  gtkdoc-depscanc
 
 MAINTAINERCLEANFILES = \
   build-aux \