pgsql: Small indenting fixes in jsonpath_scan.l

Small indenting fixes in jsonpath_scan.l

Some lines were indented by an inconsistent number of spaces.  While
we're here, also fix some code that used the newline after left
parenthesis style, which is obsolete.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/5d39becf8ba0080c98fee4b63575552f6800b012

Modified Files
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src/backend/utils/adt/jsonpath_scan.l | 37 +++++++++++++++--------------------
1 file changed, 16 insertions(+), 21 deletions(-)