Обсуждение: pgsql: Clean up order in miscinit.c a bit

Clean up order in miscinit.c a bit

The code around InitPostmasterChild() from commit 31c453165b5 somehow
ended up in the middle of a block of code related to "User ID state".
Move it into its own block instead.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/1c918381814ca6ff976aab2bf130b0c582ca30e4

Modified Files
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src/backend/utils/init/miscinit.c | 220 ++++++++++++++++++++------------------
src/include/miscadmin.h           |  12 +--
2 files changed, 118 insertions(+), 114 deletions(-)