[rygel] build: We need gstreamer-base-1.0 for the engine

[Jens Georg <jensgeorg src gnome org>]

commit 77f767e9872032398cb7f93d77ee70fee89de3ae
Author: Jens Georg <mail jensge org>
Date:   Sat May 20 12:44:51 2017 +0200

    build: We need gstreamer-base-1.0 for the engine
    
    For some reason (maybe legacy) we seem to link app which was also
    pulling in base.

 configure.ac |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 4d9228a..20d6893 100644
--- a/configure.ac
+++ b/configure.ac
@@ -52,6 +52,7 @@ MEDIAART_REQUIRED=0.7.0
 dnl Additional requirements for media-export plugin
 GSTREAMER_TAG_REQUIRED=1.0
 GSTREAMER_APP_REQUIRED=1.0
+GSTREAMER_BASE_REQUIRED=1.0
 LIBSQLITE3_REQUIRED=3.5
 
 dnl Additional requirements for playbin plugin
@@ -192,7 +193,7 @@ AS_IF([test "x$with_media_engine" = "xgstreamer"],
         PKG_CHECK_MODULES([RYGEL_MEDIA_ENGINE_GSTREAMER_DEPS],
                           [$RYGEL_COMMON_MODULES
                            gstreamer-pbutils-1.0 >= $GSTPBU_REQUIRED
-                           gstreamer-app-1.0 >= $GSTREAMER_APP_REQUIRED
+                           gstreamer-base-1.0 >= $GSTREAMER_BASE_REQUIRED
                            gupnp-dlna-2.0 >= $GUPNP_DLNA_REQUIRED
                            libsoup-2.4 >= $LIBSOUP_REQUIRED
                            gio-2.0 >= $GIO_REQUIRED])