opt: Fix warnings with gcc-4.5 (same approach as commit 6535bde)
[ccan] / ccan / opt / _info
2010-10-17 Rusty Russelllicence->license: US English is the standard for code.
2010-10-14 Rusty Russellopt: list ccan/typesafe_cb as a dependency.
2010-10-07 Rusty Russellopt: fix example to compile.
2010-10-06 Rusty Russellopt: fix examples so they compile.
2010-09-29 Rusty Russellopt: new module to parse commandline options.