removed declared but never referenced variables

(spotted by mipspro compiler, generating warnings)


[SVN r12346]

tools/build

@@ -1 +1 @@
-Subproject commit 96a612aa59fbdbfc2028512bf6c5395bfb833fc6
+Subproject commit e060d8f9c88f1ced8847b21438c5e3b9d0399a8e