fix strtod indentation and mention it in LICENSE.md

ref JuliaLang/julia#5988

LICENSE.md

@@ -35,6 +35,7 @@ Julia includes code from the following projects, which have their own licenses:
 - [MUSL](http://git.musl-libc.org/cgit/musl/tree/COPYRIGHT) (for getopt implementation on Windows) [MIT]
 - [MINGW](https://sourceforge.net/p/mingw/mingw-org-wsl/ci/legacy/tree/mingwrt/mingwex/dirname.c) (for dirname implementation on Windows) [MIT]
 - [NetBSD](http://www.netbsd.org/about/redistribution.html) (for setjmp, longjmp, and strptime implementations on Windows) [BSD-3]
+- [Python](https://docs.python.org/2/license.html) (for strtod implementation on Windows) [BSD-3, effectively]
 - [randmtzig.c](https://github.com/JuliaLang/julia/blob/master/test/perf/micro/randmtzig.c) for Gaussian random number generation (for C benchmarks only) [BSD-3]
 
 The Julia language links to the following external libraries, which have their