Bug 37038: (QA follow-up) Replace \> by -gt

Note that -gt is the bash integer comparison and > is the
lexical one:
$ if [ '1' \> '09' ]; then echo true; fi
true
$ if [ '1' -gt '09' ]; then echo true; fi

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
[EDIT] Added the dev/null redirection to suppress warn in bin/sh.
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
(cherry picked from commit fd7130beca)
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>

debian/scripts/koha-elasticsearch

@@ -90,12 +90,12 @@ run_rebuild_elasticsearch()
         KOHA_BINDIR=${KOHA_HOME}/misc
     fi
 
-    if [ "${clo_commit_size}" \> 0 ]; then
+    if [ "${clo_commit_size}" -gt 0 ] 2>/dev/null; then
         commit_size=${clo_commit_size}
     fi
     rebuild_opts="--commit ${commit_size}"
 
-    if [ "${clo_processes}" \> 0 ]; then
+    if [ "${clo_processes}" -gt 0 ] 2>/dev/null; then
         processes=${clo_processes}
     fi
     rebuild_opts="${rebuild_opts} --processes ${processes}"