git: openjdk/jdk: 8260272: bash configure --prefix does not work after JDK-8257679

[Fei Yang]

Changeset: 764111ff
Author:    Dongbo He <dongbohe at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
Date:      2021-01-25 01:08:38 +0000
URL:       https://git.openjdk.java.net/jdk/commit/764111ff

8260272: bash configure --prefix does not work after JDK-8257679

Reviewed-by: erikj, ihse

! make/autoconf/util_paths.m4