vppinfra: address sanitizer: do not instrument dlmalloc internals

Type: fix

Change-Id: I8b50777b6ce7df461e5256921591a58e52877628
Signed-off-by: Benoît Ganne <bganne@cisco.com>
diff --git a/src/vppinfra/dlmalloc.c b/src/vppinfra/dlmalloc.c
index 099b85e..e01ac94 100644
--- a/src/vppinfra/dlmalloc.c
+++ b/src/vppinfra/dlmalloc.c
@@ -4082,6 +4082,7 @@
   return ret;
 }
 
+CLIB_NOSANITIZE_ADDR
 size_t destroy_mspace(mspace msp) {
   size_t freed = 0;
   mstate ms = (mstate)msp;