This fixes an issue where the log file being parsed contains multiple instances

of the version number.  When the egrep expression returns multiple lines, the
formation of the version number around line 133 ( the tr command ) that pulls
out everything but numbers generates a (potentially) enormous string.

Reference:  http://steamcommunity.com/groups/linuxgsm/discussions/0/361798516936473435/

lgsm/functions/update_ts3.sh

@@ -48,7 +48,7 @@ fn_update_ts3_currentbuild(){
 	fi
 
 	# Get current build from logs
-	currentbuild=$(cat $(find ./* -name 'ts3server*_0.log' 2> /dev/null | sort | egrep -E -v '${rootdir}/.ts3version' | tail -1) | egrep -o 'TeamSpeak 3 Server ((\.)?[0-9]{1,3}){1,3}\.[0-9]{1,3}' | egrep -o '((\.)?[0-9]{1,3}){1,3}\.[0-9]{1,3}')
+	currentbuild=$(cat $(find ./* -name 'ts3server*_0.log' 2> /dev/null | sort | egrep -E -v '${rootdir}/.ts3version' | tail -1) | egrep -o 'TeamSpeak 3 Server ((\.)?[0-9]{1,3}){1,3}\.[0-9]{1,3}' | egrep -o '((\.)?[0-9]{1,3}){1,3}\.[0-9]{1,3}' | sort -V | tail -1)
 	if [ -z "${currentbuild}" ]; then
 		fn_print_error_nl "Checking for update: teamspeak.com: Current build version not found"
 		fn_script_log_error "Checking for update: teamspeak.com: Current build version not found"
@@ -194,4 +194,4 @@ else
 	fn_update_ts3_currentbuild
 	fn_update_ts3_availablebuild
 	fn_update_ts3_compare
-fi
+fi