Fix or suppress some google-runtime-int warnings.

Bug: 112478838
Test: build with WITH_TIDY=1
Change-Id: Ie3b15a85770b5806cddfd49a475aaf0553f9ec78
diff --git a/tools/zipalign/ZipFile.h b/tools/zipalign/ZipFile.h
index d5ace7c..11d20c5 100644
--- a/tools/zipalign/ZipFile.h
+++ b/tools/zipalign/ZipFile.h
@@ -224,7 +224,7 @@
     status_t copyDataToFp(FILE* dstFp,
         const void* data, size_t size, uint32_t* pCRC32);
     /* copy some of "srcFp" into "dstFp" */
-    status_t copyPartialFpToFp(FILE* dstFp, FILE* srcFp, long length,
+    status_t copyPartialFpToFp(FILE* dstFp, FILE* srcFp, size_t length,
         uint32_t* pCRC32);
     /* like memmove(), but on parts of a single file */
     status_t filemove(FILE* fp, off_t dest, off_t src, size_t n);