Index: gdb-8.2/gdb/corelow.c
===================================================================
--- gdb-8.2.orig/gdb/corelow.c
+++ gdb-8.2/gdb/corelow.c
@@ -452,7 +452,7 @@ core_target_open (const char *arg, int f
 	 which was the "main" thread.  The latter case shouldn't
 	 usually happen, but we're dealing with input here, which can
 	 always be broken in different ways.  */
-      thread_info *thread = first_thread_of_inferior (current_inferior ());
+      struct thread_info *thread = first_thread_of_inferior (current_inferior ());
 
       if (thread == NULL)
 	{