libnbaio: 64-bit compile warnings

Change-Id: I9517c32193031dcc7af7b2104e985d66805b84aa
diff --git a/media/libnbaio/NBAIO.cpp b/media/libnbaio/NBAIO.cpp
index ff3284c..d641e74 100644
--- a/media/libnbaio/NBAIO.cpp
+++ b/media/libnbaio/NBAIO.cpp
@@ -137,7 +137,7 @@
 ssize_t NBAIO_Port::negotiate(const NBAIO_Format offers[], size_t numOffers,
                                   NBAIO_Format counterOffers[], size_t& numCounterOffers)
 {
-    ALOGV("negotiate offers=%p numOffers=%u countersOffers=%p numCounterOffers=%u",
+    ALOGV("negotiate offers=%p numOffers=%zu countersOffers=%p numCounterOffers=%zu",
             offers, numOffers, counterOffers, numCounterOffers);
     if (Format_isValid(mFormat)) {
         for (size_t i = 0; i < numOffers; ++i) {