[gnome-software] trivial: Fix underlinking in build

[Richard Hughes <rhughes src gnome org>]

commit 805d47d4886dbe94b50290c466563bca1a8e6c1c
Author: Richard Hughes <richard hughsie com>
Date:   Fri Feb 12 11:54:35 2016 +0000

    trivial: Fix underlinking in build

 src/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 535c10f..d8b12bb 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -95,6 +95,7 @@ gnome_software_cmd_SOURCES =                          \
 
 gnome_software_cmd_LDADD =                             \
        $(APPSTREAM_LIBS)                               \
+       $(SOUP_LIBS)                                    \
        $(GLIB_LIBS)                                    \
        $(GTK_LIBS)