Fix bridges being expired after being restored.

This occurred with non-matching cleansession/local_cleansession being
expired on start after restoring from persistence.

Closes #2634. Thanks to everyone on the issue.

ChangeLog.txt

@@ -7,6 +7,8 @@ Broker:
   assertions removed. Closes #2708.
 - Fix default settings incorrectly allowing TLS v1.1. Closes #2722.
 - Use line buffered mode for stdout. Closes #2354. Closes #2749.
+- Fix bridges with non-matching cleansession/local_cleansession being expired
+  on start after restoring from persistence. Closes #2634.
 - Fix connections being limited to 2048 on Windows. The limit is now 8192,
   where supported. Closes #2732.
 

src/persist_write.c

@@ -167,11 +167,14 @@ static int persist__client_save(FILE *db_fptr)
 	memset(&chunk, 0, sizeof(struct P_client));
 
 	HASH_ITER(hh_id, db.contexts_by_id, context, ctxt_tmp){
-		if(context && (context->clean_start == false
+		if(context &&
 #ifdef WITH_BRIDGE
-				|| (context->bridge && context->bridge->clean_start_local == false)
+				((!context->bridge && context->clean_start == false)
+				|| (context->bridge && context->bridge->clean_start_local == false))
+#else
+				context->clean_start == false
 #endif
-				)){
+				){
 			chunk.F.session_expiry_time = context->session_expiry_time;
 			if(context->session_expiry_interval != 0 && context->session_expiry_interval != UINT32_MAX && context->session_expiry_time == 0){
 				chunk.F.session_expiry_time = context->session_expiry_interval + db.now_real_s;