--- libmalloc/libmalloc-317.121.1/tests/magazine_testing.h
+++ libmalloc/libmalloc-283/tests/magazine_testing.h
@@ -29,8 +29,8 @@
 
 #import "../src/magazine_rack.c"
 
-bool
-malloc_tracing_enabled = false;
+boolean_t
+malloc_tracing_enabled = 0;
 
 int
 recirc_retained_regions = DEFAULT_RECIRC_RETAINED_REGIONS;