Add missing includes.

Change-Id: I91730363386dae6ecb2193ec8f50ba9f8fc0ad60
diff --git a/modules/nfc-nci/nfc_nci_example.c b/modules/nfc-nci/nfc_nci_example.c
index 2514225..758c2b7 100644
--- a/modules/nfc-nci/nfc_nci_example.c
+++ b/modules/nfc-nci/nfc_nci_example.c
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 #include <errno.h>
+#include <malloc.h>
 #include <string.h>
 
 #include <cutils/log.h>