TS-992 Add missing <sys/types.h> include in example.
TS-992 Add missing <sys/types.h> include in example.

Author: Piotr Sikora
Review: Leif

git-svn-id: 2dd0c813ec5e66d7196e5ee63433c56c88d5b4b7@1215556 13f79535-47bb-0310-9956-ffa450edef68

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