tree-wide: replace tab with space, adjust missing or duplicated space

src/sysupdate/sysupdated.c

@@ -2037,14 +2037,14 @@ static int manager_add_bus_objects(Manager *m) {
 static bool manager_is_idle(void *userdata) {
         Manager *m = ASSERT_PTR(userdata);
 
-	return hashmap_isempty(m->jobs);
+        return hashmap_isempty(m->jobs);
 }
 
 static void manager_check_idle(Manager *m) {
-	assert(m);
+        assert(m);
 
-	if (!hashmap_isempty(m->jobs))
-		return;
+        if (!hashmap_isempty(m->jobs))
+                return;
 
         hashmap_clear(m->targets);
         log_debug("Cleared target cache");

src/sysupdate/updatectl.c

@@ -655,7 +655,7 @@ static int check_describe_finished(sd_bus_message *reply, void *userdata, sd_bus
         _cleanup_(version_done) Version v = {};
         _cleanup_free_ char *update = NULL;
         const sd_bus_error *e;
-	sd_bus_error error = {};
+        sd_bus_error error = {};
         const char *lnk = NULL;
         char *current;
         int r;