build: visibility=default for library structs is no longer needed

[notmuch] / lib / thread.cc

diff --git a/lib/thread.cc b/lib/thread.cc
index 561ca5bec783cd9a014563412acac76f5205dac0..1a1ecfa5507ee8cf35e243eb4b44ddfdcd0526eb 100644 (file)
--- a/lib/thread.cc
+++ b/lib/thread.cc
@@ -26,7 +26,7 @@
 
 #define EMPTY_STRING(s) ((s)[0] == '\0')
 
-struct visible _notmuch_thread {
+struct _notmuch_thread {
     notmuch_database_t *notmuch;
     char *thread_id;
     char *subject;