epm repack: fix fix_chrome_sandbox return code

repack.d/common.sh

@@ -68,8 +68,8 @@ fix_chrome_sandbox()
     userns_val="$(cat $userns_path 2>/dev/null)"
     [ "$userns_val" = '1' ] && return
     [ -n "$sandbox" ] || sandbox=$PRODUCTDIR/chrome-sandbox
-    [ -e "$BUILDROOT$sandbox" ] || return
-    chmod 4711 $BUILDROOT$sandbox
+    [ -e "$BUILDROOT$sandbox" ] || return 0
+    chmod -v 4711 $BUILDROOT$sandbox
 }
 
 # ignore embedded libs

repack.d/zoom.sh

@@ -48,4 +48,4 @@ if [ -d $BUILDROOT/opt/zoom/QtQuick/Scene2D ] ; then
     subst 's|.*/opt/zoom/QtQuick/Scene3D/libqtquickscene3dplugin.so.*||' $SPEC
 fi
 
-[ -e $PRODUCTDIR/cef/chrome-sandbox ] && fix_chrome_sandbox $PRODUCTDIR/cef/chrome-sandbox
+fix_chrome_sandbox $PRODUCTDIR/cef/chrome-sandbox