[gnome-software] snap: Fix channel versions not matching due to inverted logic

[Richard Hughes <rhughes src gnome org>]

commit 9fd8890895220367940e3ab2db99e7b21f7ad0eb
Author: Robert Ancell <robert ancell canonical com>
Date:   Mon Dec 16 16:33:22 2019 +1300

    snap: Fix channel versions not matching due to inverted logic

 plugins/snap/gs-plugin-snap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plugins/snap/gs-plugin-snap.c b/plugins/snap/gs-plugin-snap.c
index 88d2e2a0..11634b52 100644
--- a/plugins/snap/gs-plugin-snap.c
+++ b/plugins/snap/gs-plugin-snap.c
@@ -904,7 +904,7 @@ gs_plugin_refine_app (GsPlugin *plugin,
                for (i = 0; i < channels->len; i++) {
                        SnapdChannel *c = channels->pdata[i];
 
-                       if (g_strcmp0 (snapd_channel_get_name (c), channel) == 0)
+                       if (g_strcmp0 (snapd_channel_get_name (c), channel) != 0)
                                continue;
 
                        version = snapd_channel_get_version (c);