Thread: pgsql: Fix variable names mentioned in comment to match the code.

Fix variable names mentioned in comment to match the code.

Also, in another comment, explain why holding an insertion slot is a
critical section.

Per review by Amit Kapila.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/107cbc90a7564b6cd773c56ad3da8b66c7377df5

Modified Files
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src/backend/access/transam/xlog.c |    8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)