Remove useless unary plus.
Remove useless unary plus.

It's harmless, but might confuse readers.  Seems to have been introduced
in 6bc8ef0b7f1f1df3.  Back-patch, just to avoid cosmetic cross-branch
differences.

Amit Langote

zeroae/postgres-xl,zeroae/postgres-xl,zeroae/postgres-xl,zeroae/postgres-xl,zeroae/postgres-xl