Update src/library/scala/sys/process/package.scala

Fix broken wildcard expansion in the `sys.process` docs.
Merge pull request #2077 from vy/patch-3

Update src/library/scala/sys/process/package.scala
Merge pull request #2124 from adriaanm/76f167388a42e9bb8b72645d87bcb408b6981576

merge 2.10.x
Merge branch 'patmat-refactor' into patmat-refactor-master

Conflicts:
	src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala