Bug 884072: Fix a typo in the header include guard, reported by a new clang warning. r=wtc.
Bug 884072: Fix a typo in the header include guard, reported by a new
clang warning. r=wtc.

thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss