Fixed misplaced closing brackets

Not entirely sure if this is right. It stops throwing up error messages when that decoder is used now, but instead everything after a command using this decoder returns something along the lines of the following

0153: Absolute Evap system Vapor Pressure
Sending command: 0153: Absolute Evap system Vapor Pressure
command returned: 
?

return data could not be decoded
No Data None
Not sure which is better