[AArch64][asan] fix typo in AsanStats::Print

This created an infinite loop that timed out several build bots while
executing the test in compiler-rt/test/asan/TestCases/atexit_stats.cpp

Differential Revision: https://reviews.llvm.org/D60243

llvm-svn: 369472

compiler-rt/lib/asan/asan_stats.cpp

@@ -52,7 +52,7 @@ void AsanStats::Print() {
              mmaps, munmaps);
 
   PrintMallocStatsArray("  mallocs by size class: ", malloced_by_size,
-                        get_allocator().KMaxSize());
+                        get_allocator().KNumClasses());
   Printf("Stats: malloc large: %zu\n", malloc_large);
 }