remove a warning in ruby -v ($xmldir not defined)

diff --git a/bin/booh b/bin/booh
index 9769d1cfecc419e86f001b479738d5841f5209ef..b068830294620130edf6c931cc8dd0a187478569 100755 (executable)
--- a/bin/booh
+++ b/bin/booh
@@ -46,6 +46,9 @@ $options = [
     [ '--verbose-level', '-v', GetoptLong::REQUIRED_ARGUMENT, _("Set max verbosity level (0: errors, 1: warnings, 2: important messages, 3: other messages)") ],
 ]
 
+#- default values for some globals 
+$xmldir = nil
+
 def usage
     puts _("Usage: %s [OPTION]...") % File.basename($0)
     $options.each { |ary|