vppinfra: fix AddressSanitizer

When checking for CLIB_SANITIZE_ADDR to enable specific behavior for
AddressSanitizer, we must have vppinfra/clib.h included as it is defined
there.

Type: fix

Change-Id: I9060c3c29c1289d28596c215a1d1709b2ea7c84e
Signed-off-by: Benoît Ganne <bganne@cisco.com>
diff --git a/src/vppinfra/dlmalloc.c b/src/vppinfra/dlmalloc.c
index 143db33..cc5915a 100644
--- a/src/vppinfra/dlmalloc.c
+++ b/src/vppinfra/dlmalloc.c
@@ -5,6 +5,7 @@
   comments, complaints, performance data, etc to dl@cs.oswego.edu
 */
 
+#include <vppinfra/clib.h>
 #include <vppinfra/dlmalloc.h>
 
 /*------------------------------ internal #includes ---------------------- */