doc: fix outdate ninja link

lovexi · Myles Borins · commit e08173a2f116 · 2016-11-22T15:31:10.000+08:00
PR-URL: #9278 Reviewed-By: Roman Reiss <me@silverwind.io>
diff --git a/doc/guides/building-node-with-ninja.md b/doc/guides/building-node-with-ninja.md
@@ -35,4 +35,4 @@ The above alias can be modified slightly to produce a debug build, rather than a
 `alias nnodedebug='./configure --ninja && ninja -C out/Debug && ln -fs out/Debug/node node_g'`
 
 
-[Ninja]: https://martine.github.io/ninja/
+[Ninja]: https://ninja-build.org/

Original file line number	Diff line number	Diff line change
`@@ -35,4 +35,4 @@ The above alias can be modified slightly to produce a debug build, rather than a`
`35`	`35`	`alias nnodedebug='./configure --ninja && ninja -C out/Debug && ln -fs out/Debug/node node_g'`
`36`	`36`
`37`	`37`
`38`		`-[Ninja]: https://martine.github.io/ninja/`
	`38`	`+[Ninja]: https://ninja-build.org/`