Handle GCC 4.2 idiosyncracy on Mac.

Change-Id: I722c14e1674bae802048a48e4c3c6a10d5052790
diff --git a/lib/ExecutionEngine/InputFile.cpp b/lib/ExecutionEngine/InputFile.cpp
index 6a60998..a51b09e 100644
--- a/lib/ExecutionEngine/InputFile.cpp
+++ b/lib/ExecutionEngine/InputFile.cpp
@@ -30,7 +30,7 @@
 
   if ((count <= 0) || (pBuf == NULL)) {
     // Keep safe and issue a warning.
-    ALOGW("InputFile::read: count = %u, buffer = %p", count, pBuf);
+    ALOGW("InputFile::read: count = %zu, buffer = %p", count, pBuf);
     return 0;
   }
 
diff --git a/lib/ExecutionEngine/OutputFile.cpp b/lib/ExecutionEngine/OutputFile.cpp
index 167b7a0..6200617 100644
--- a/lib/ExecutionEngine/OutputFile.cpp
+++ b/lib/ExecutionEngine/OutputFile.cpp
@@ -86,7 +86,7 @@
 
   if ((count <= 0) || (pBuf == NULL)) {
     // Keep safe and issue a warning.
-    ALOGW("OutputFile::write: count = %u, buffer = %p", count, pBuf);
+    ALOGW("OutputFile::write: count = %zu, buffer = %p", count, pBuf);
     return 0;
   }