timesyncd: reorder structs instead of useless bitfields

Because of alignment, those bitfields were not doing anything useful,
and were causing the generated code to be more complicated. But in this
case, at least potentially there might be a number of copies of those
structs (if we have a bunch of time servers configured), so let's actually
implement the intended space savings by reording the fields to reduce the
size of holes.

src/timesync/timesyncd-manager.h

@@ -45,10 +45,9 @@ struct Manager {
         LIST_HEAD(ServerName, runtime_servers);
         LIST_HEAD(ServerName, fallback_servers);
 
-        bool have_fallbacks:1;
-
         RateLimit ratelimit;
         bool exhausted_servers;
+        bool have_fallbacks;
 
         /* network */
         sd_event_source *network_event_source;

src/timesync/timesyncd-server.h

@@ -30,11 +30,11 @@ struct ServerAddress {
 struct ServerName {
         Manager *manager;
 
+        bool marked;
+
         ServerType type;
         char *string;
 
-        bool marked:1;
-
         LIST_HEAD(ServerAddress, addresses);
         LIST_FIELDS(ServerName, names);
 };