[jdk11u-dev] RFR: 8289735: UTIL_LOOKUP_PROGS fails on pathes with space

[Christoph Langer]

I had to resolve in configure.ac and in basic_tools.m4.

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Commit messages:
 - Backport bad6aa68e4d491e819ab22e91dd5d65bb094120e

Changes: https://git.openjdk.org/jdk11u-dev/pull/1851/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1851&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8289735
  Stats: 37 lines in 4 files changed: 23 ins; 8 del; 6 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1851.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1851/head:pull/1851

PR: https://git.openjdk.org/jdk11u-dev/pull/1851