- Merge #968: Replace the obsolescent fgrep with grep -F in tests.

diff --cc doc/Changelog
index 1bde6ebbb1c1a44c89ab843f87c0b9b391031428,c424bd8320afe69ac0e7a2521e9982ba329f2e0d..dc82542be633f582b7d5e411887fe0e754642df9
--- 1/doc/Changelog
--- 2/doc/Changelog
+++ b/doc/Changelog
@@@ -1,6 -1,3 +1,9 @@@
++27 November 2023: Yorgos
++      - Merge #968: Replace the obsolescent fgrep with grep -F in tests.
++
 +27 November 2023: Wouter
 +      - Fix #964: config.h.in~ backup file in release tar balls.
 +
  24 November 2023: Yorgos
        - Use 127.0.0.1 explicitly in tests to avoid delays and errors on
          newer systems.