[Sanitizer] Switch to common mmap/munmap routines in ASan run-time.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@158078 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/sanitizer_common/sanitizer_common.h b/lib/sanitizer_common/sanitizer_common.h
index 198ed63..f602558 100644
--- a/lib/sanitizer_common/sanitizer_common.h
+++ b/lib/sanitizer_common/sanitizer_common.h
@@ -28,7 +28,9 @@
 
 int GetPid();
 void RawWrite(const char *buffer);
-void *MmapOrDie(uptr size);
+
+// Memory management
+void *MmapOrDie(uptr size, const char *mem_type);
 void UnmapOrDie(void *addr, uptr size);
 
 void Printf(const char *format, ...);