Use %zu, %td for size_t, ptrdiff_t, respectively.

Changing ALOG format strings to %zu (for one size_t integer) and to
%td (for a couple of pointer differences). These changes are necessary
when compiling for LP64 architectures.

Change-Id: I9bb667500af1b82c360f0fc84e50d70bd46cba6e
Signed-off-by: Matteo Franchin <matteo.franchin@arm.com>
diff --git a/keystore/keystore.cpp b/keystore/keystore.cpp
index 7a86ef6..987e306 100644
--- a/keystore/keystore.cpp
+++ b/keystore/keystore.cpp
@@ -1817,7 +1817,7 @@
             rsa_params.modulus_size = keySize;
 
             if (args->size() > 1) {
-                ALOGI("invalid number of arguments: %d", args->size());
+                ALOGI("invalid number of arguments: %zu", args->size());
                 return ::SYSTEM_ERROR;
             } else if (args->size() == 1) {
                 sp<KeystoreArg> pubExpBlob = args->itemAt(0);