* [0c37a90]->[0b22530] argz: fix shell quoting issue
* [204e903]->[99d6cd5] stdbool: avoid rejecting clang
* [5a2d7e1]->[21182ba] priv-set: fix comments
+ * [a9ec89b]->[325e969] priv-set: fix comment
+ * [667277d]->[d74874d] getloadavg: don't define SVR4 on cygwin
+ * [8c8ee4b]->[24ad42e] getloadavg: simplify code
+ * [cab03f4]->[6acb78a] stdbool: avoid spurious failure with modern xlc
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