[evolution-data-server] [Flatpak] Make alarm-notify use the D-Bus services prefix, if specified

[Milan Crha <mcrha src gnome org>]

commit 5250c2c88ef1e3d5cdb56369d1d7573c188da15e
Author: Milan Crha <mcrha redhat com>
Date:   Thu Dec 6 09:06:28 2018 +0100

    [Flatpak] Make alarm-notify use the D-Bus services prefix, if specified
    
    Without it the process cannot own the D-Bus name, thus it doesn't start.

 src/services/evolution-alarm-notify/e-alarm-notify.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/src/services/evolution-alarm-notify/e-alarm-notify.c 
b/src/services/evolution-alarm-notify/e-alarm-notify.c
index 67a9024c8..96a8f2993 100644
--- a/src/services/evolution-alarm-notify/e-alarm-notify.c
+++ b/src/services/evolution-alarm-notify/e-alarm-notify.c
@@ -34,7 +34,11 @@
 
 #include "e-alarm-notify.h"
 
+#ifdef DBUS_SERVICES_PREFIX
+#define APPLICATION_ID DBUS_SERVICES_PREFIX "." "org.gnome.Evolution-alarm-notify"
+#else
 #define APPLICATION_ID "org.gnome.Evolution-alarm-notify"
+#endif
 
 struct _EAlarmNotifyPrivate {
        ESourceRegistry *registry;