[gnome-software] ubuntu-reviews: Fix Makefile.am to set CFLAGS properly

[Iain Lane <iainl src gnome org>]

commit 743c8ab275a6741bca763922aef2012fab5afc73
Author: Iain Lane <iain orangesquash org uk>
Date:   Wed Mar 8 14:34:56 2017 +0000

    ubuntu-reviews: Fix Makefile.am to set CFLAGS properly

 plugins/ubuntu-reviews/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plugins/ubuntu-reviews/Makefile.am b/plugins/ubuntu-reviews/Makefile.am
index 9c11913..bc2a1bc 100644
--- a/plugins/ubuntu-reviews/Makefile.am
+++ b/plugins/ubuntu-reviews/Makefile.am
@@ -11,6 +11,7 @@ libgs_plugin_ubuntu_reviews_la_LIBADD =                       \
        $(SQLITE_LIBS)                                  \
        $(OAUTH_LIBS)
 libgs_plugin_ubuntu_reviews_la_LDFLAGS = -module -avoid-version
+libgs_plugin_ubuntu_reviews_la_CFLAGS =                        \
        $(GS_PLUGIN_CFLAGS)                             \
        $(JSON_GLIB_CFLAGS)                             \
        $(OAUTH_CFLAGS)                                 \