Hint FFOO_INI_PATH in debug mode

include/ini.sh

@@ -84,6 +84,7 @@ __iniread__merge() {
                 cat $arg
             ;;
         *)              # name given, find all its incarnations
+            debug -v FFOO_INI_PATH
             echo "$FFOO_INI_PATH" \
               | tr ':' '\n' \
               | while read trydir;