Update CI scripts on Breeze: make './autogen.sh' work.

.ci/bb/breeze-mpim/utils.sh

@@ -99,7 +99,11 @@ init_env ()
   . /etc/profile.d/mpim.sh
   module use /data/mpi/sclab/sip/m300488/nvhpc/modulefiles
   set -${saved_set}
-  switch_for_module automake
+  switch_for_module automake/1.16.1
+
+  # Tell the custom installation of Automake 1.16 where to look for the libtool
+  # macros:
+  export ACLOCAL_PATH="/usr/share/aclocal:${ACLOCAL_PATH-}"
 }
 
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