Fixed a bug by escaping the -? option

README

@@ -8,3 +8,8 @@ The plugin complies with the guidelines, for example uses -w -c -v arguments
 etc. It also does some basic sanity checks and has a exit 3 catchall.
 
 The plugin were submitted to Nagios Exchange in 2011.
+
+Known forks of check_temp:
+There is a very good Perl fork of check_temp written by Chad Columbus. It's
+avalible on Nagios Exchange at
+http://exchange.nagios.org/directory/Plugins/Operating-Systems/Linux/check_temp-2Epl/details

check_temp.sh

@@ -29,7 +29,7 @@
 # Version 0.5: Line 162, fixed a typo (EXIT_UNKNOWN to STATE_UNKNOWN)         #
 ###############################################################################
 
-VERSION="Version 0.5"
+VERSION="Version 0.6"
 AUTHOR="(c) 2011 Jack-Benny Persson (jack-benny@cyberinfo.se)"
 
 # Sensor program
@@ -150,7 +150,7 @@ while [[ -n "$1" ]]; do
 	   shift 2
            ;;
 
-       -?)
+       -\?)
            print_help
            exit $STATE_OK
            ;;