Fix a broken link in 0001.md (aip-dev#824)

aip/general/0001.md

@@ -89,7 +89,7 @@ The list of AIP editors is currently:
 - Hong Zhang ([@wora][])
 - JJ Geewax ([@jgeewax][])
 - Jon Skeet ([@jskeet][])
-- Sam Woodard ([@samwoodard][])
+- Sam Woodard ([@shwoodard][])
 
 The editors are also responsible for the administrative and editorial aspects
 of shepherding AIPs and managing the AIP pipeline and workflow. They approve
@@ -277,3 +277,4 @@ state, and will link to the new, current AIP.
 [@jskeet]: https://github.com/jskeet
 [@lukesneeringer]: https://github.com/lukesneeringer
 [@wora]: https://github.com/wora
+[@shwoodard]: https://github.com/shwoodard