pgAdmin 4 commit: Fix the latexpdf doc build. Fixes #4060

[Dave Page]

Fix the latexpdf doc build. Fixes #4060

Thanks to Jean-François for the assist:
    https://groups.google.com/forum/#!topic/sphinx-users/ZlQ95_QikXo

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=f4ca208474b7ed57a0fc88a2343202efb3dcd97c

Modified Files
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docs/en_US/conf.py               | 7 +++++++
docs/en_US/release_notes_4_4.rst | 3 ++-
2 files changed, 9 insertions(+), 1 deletion(-)