org: fix local export

* doc/org/.dir-locals.el.in: Remove incorrect quote.
16 jobs for next in 317 minutes and 25 seconds (queued for 6 seconds)
Status Name Job ID Coverage
  Build
passed alpine-gcc #105194

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passed arch-clang #105195

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passed arch-gcc-glibcxxdebug #105196

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passed debian-gcc-snapshot #105193

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passed debian-stable-gcc #105191

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passed debian-unstable-gcc-coverage #105192

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90.6%
passed debpkg-stable #105199

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passed debpkg-unstable #105200

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passed mingw-shared #105197

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passed mingw-static #105198

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passed raspbian #105202
armv7

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passed rpm-pkg #105201

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  Build2
passed debpkg-stable-i386 #105203
x86

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passed debpkg-unstable-i386 #105204
x86

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  Publish
passed publish-rpm #105205
dput

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passed publish-unstable #105206
dput

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