* [c00787b]->[11da7a4] setenv: Avoid gcc warning.
* [6f88ff3]->[4c509f3] unsetenv: Avoid gcc warning.
* [1866b23]->[0560196] localename: Fix link dependencies.
+ * [bf7690a]->[54731c1] pipe-filter-ii: Fix test failure on AIX and IRIX.
+ * [e7754b0]->[52062c8] acl: Fix test failure on AIX 7.
+ * [c914617]->[34d3cce] ansi-c++-opt: Interoperability with libtool.
+ * [3f9fff2]->[0bd455a] careadlinkat: Avoid mismatch between ssize_t and int.
+ * [c224523]->[5c698ae] canonicalize-lgpl: work around AIX realpath bug
+ * [79aac72]->[cc1a9b7] canonicalize-lgpl: use common idiom
+ * [3180807]->[768eb31] doc/lgpl-2.1.texi
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