fix(chez): declare S_gc_adaptive_trip_enabled unconditionally

ober

3ac581caa9fa3876773210f38feae019a40ca372

diff --git a/vendor/ChezScheme/c/externs.h b/vendor/ChezScheme/c/externs.h
index 0ce3594..34cdd73 100644
--- a/vendor/ChezScheme/c/externs.h
+++ b/vendor/ChezScheme/c/externs.h
@@ -385,9 +385,9 @@ extern void S_register_scheme_signal(iptr sig);
 extern void S_fire_collector(void);
 extern void S_gc_telemetry_mark_prewrite_slot(ptr loc, ptr new_value);
 typedef void (*S_gc_mark_bitmap_apply_proc)(void *data, ptr p);
+extern IBOOL S_gc_adaptive_trip_enabled(void);
 #ifdef ENABLE_GC_TELEMETRY
 extern void S_gc_telemetry_request(void);
-extern IBOOL S_gc_adaptive_trip_enabled(void);
 extern void S_gc_telemetry_begin(const char *path, const char *reason, IGEN max_cg, IGEN min_tg, IGEN max_tg);
 extern void S_gc_telemetry_phase(const char *phase, uptr us);
 extern void S_gc_telemetry_subphase(const char *phase, uptr us);