* shared_info.h: Match shared_name declaration with below change.

* shared.cc (shared_name): Use incoming char * parameter instead of
	local static buffer.
	(open_shared): Accomodate new calling convention for shared_name.
	* exceptions.cc (events_init): Ditto.
	* sigproc.cc (getsem): Ditto.
	* syscalls.cc (login): Ditto.
	(logout): Ditto.
	(pututline): Ditto.

winsup/cygwin/exceptions.cc

@@ -1134,11 +1134,13 @@ void
 events_init (void)
 {
   char *name;
+  char mutex_name[MAX_PATH];
   /* title_mutex protects modification of console title. It's necessary
      while finding console window handle */
 
   if (!(title_mutex = CreateMutex (&sec_all_nih, FALSE,
-				   name = shared_name ("title_mutex", 0))))
+				   name = shared_name (mutex_name,
+						       "title_mutex", 0))))
     api_fatal ("can't create title mutex '%s', %E", name);
 
   ProtectHandle (title_mutex);