Test 809 fails on Windows

[lefessan]

From https://github.com/OCamlPro/gnucobol/actions/runs/6675975179?pr=109

809. run_misc.at:10199: testing stack and dump feature ...
../../tests/run_misc.at:10503: $COMPILE_MODULE -fdump=ALL prog.cob sub2.cob
../../tests/run_misc.at:10505: COB_DUMP_FILE=NONE \
$COBCRUN prog
../../tests/run_misc.at:10516: COB_DUMP_FILE=tstdump.dump \
$COBCRUN prog
../../tests/run_misc.at:10739: $SED -e 's/_$//' reference_tmpl > reference
../../tests/run_misc.at:10740: $SED -e 's/compiled ... .. .... ..:..:../compiled MMM DD YYYY HH:MM:SS/g' \
tstdump.dump > tstdump.sed
../../tests/run_misc.at:10743: diff reference tstdump.sed
../../tests/run_misc.at:10746: COBC_GEN_DUMP_COMMENTS=1 \
$COMPILE_MODULE -fdump=ALL prog.cob sub2.cob
../../tests/run_misc.at:10749: COB_DUMP_FILE=tstdump.dump \
$COBCRUN prog
../../tests/run_misc.at:10760: $SED -e 's/compiled ... .. .... ..:..:../compiled MMM DD YYYY HH:MM:SS/g' \
tstdump.dump > tstdump.sed
../../tests/run_misc.at:10763: diff reference tstdump.sed
../../tests/run_misc.at:10767: COB_STACKTRACE=1 COB_DUMP_FILE=tstdump.dump \
$COBCRUN prog
../../tests/run_misc.at:10791: $SED -e 's/compiled ... .. .... ..:..:../compiled MMM DD YYYY HH:MM:SS/g' \
tstdump.dump > tstdump.sed
../../tests/run_misc.at:10794: diff reference tstdump.sed
../../tests/run_misc.at:10798: $COMPILE prog.cob sub2.cob
../../tests/run_misc.at:10801: COB_STACKTRACE=1 COB_DUMP_FILE=tstdump.dump \
$COBCRUN_DIRECT ./prog
--- -   2023-10-28 09:14:08.007500100 +0000
+++ /d/a/gnucobol/gnucobol/_build/tests/testsuite.dir/at-groups/809/stderr      2023-10-28 09:14:07.952889600 +0000
@@ -12,5 +12,5 @@
        CALL-IT-OMIT at prog.cob:118
        MAIN-100 at prog.cob:85
        ENTRY prog at prog.cob:77
- Started by ./prog
+ Started by D:\a\gnucobol\gnucobol\_build\tests\testsuite.dir\0809\prog.exe