[niepce] Issue #31 - Fix test breakage

[Hubert Figuière <hub src gnome org>]

commit 46c95fe0bdfb17fe92eca6a2017b88864e8ada00
Author: Hubert Figuière <hub figuiere net>
Date:   Fri Nov 16 23:51:31 2018 -0500

    Issue #31 - Fix test breakage
    
    https://gitlab.gnome.org/GNOME/niepce/issues/31

 src/Makefile.am               | 1 -
 src/fwk/utils/t/testfiles.cpp | 7 ++++++-
 2 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 696052b..93306b0 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -39,7 +39,6 @@ RUST_SOURCES = \
        @top_srcdir@/src/lib.rs \
        @top_srcdir@/src/libraryclient/clientimpl.rs \
        @top_srcdir@/src/libraryclient/clientinterface.rs \
-       @top_srcdir@/src/libraryclient/libraryclient.rs \
        @top_srcdir@/src/libraryclient/mod.rs \
        @top_srcdir@/src/niepce/mod.rs \
        @top_srcdir@/src/niepce/ui/mod.rs \
diff --git a/src/fwk/utils/t/testfiles.cpp b/src/fwk/utils/t/testfiles.cpp
index be91ba6..d806d6a 100644
--- a/src/fwk/utils/t/testfiles.cpp
+++ b/src/fwk/utils/t/testfiles.cpp
@@ -28,10 +28,15 @@
 using fwk::FileList;
 
 // stub to avoid linking the Rust library.
-extern "C"
+extern "C" {
 void niepce_init()
 {
 }
+bool file_is_media(GFileInfo *)
+{
+  return false;
+}
+}
 
 TEST(testFiles, testFilesSanity)
 {