fix call to __pthread_tsd_run_dtors with too many arguments

commit a6054e3c94 removed the argument,
making it a constraint violation to pass one. caught by cparser/firm;
other compilers seem to ignore it.

src/time/timer_create.c

@@ -22,7 +22,7 @@ weak_alias(dummy_0, __pthread_tsd_run_dtors);
 static void cleanup_fromsig(void *p)
 {
 	pthread_t self = __pthread_self();
-	__pthread_tsd_run_dtors(self);
+	__pthread_tsd_run_dtors();
 	self->cancel = 0;
 	self->cancelbuf = 0;
 	self->canceldisable = 0;