Rename typedef in jsonpath_gram.y from "string" to "JsonPathString"

Alexander Korotkov <akorotkov@postgresql.org>

Commit: 5e28b778bf9a5835e702277119c5f92b4dbab45e
Author: Alexander Korotkov <akorotkov@postgresql.org>
Date: 2019-03-19T18:01:10Z
Releases: 12.0
Rename typedef in jsonpath_gram.y from "string" to "JsonPathString"

Reason is the same as in 75c57058b0.

Files