[gn] port 1756fcb

Author: nico

llvm/utils/gn/secondary/compiler-rt/lib/scudo/standalone/BUILD.gn

@@ -37,7 +37,6 @@ source_set("sources") {
     "linux.cpp",
     "linux.h",
     "list.h",
-    "local_cache.h",
     "mem_map.cpp",
     "mem_map.h",
     "mem_map_base.h",
@@ -59,6 +58,7 @@ source_set("sources") {
     "report_linux.cpp",
     "report_linux.h",
     "secondary.h",
+    "size_class_allocator.h",
     "size_class_map.h",
     "stack_depot.h",
     "stats.h",