Fix typo in variable name (#564)
Fix typo in variable name (#564)

Thanks to Joey Liu (@liujoey) for the discovery.

tsbarnes/liquidprompt,smadhueagle/liquidprompt,jaesivsm/liquidprompt,nojhan/liquidprompt,pkkolos/liquidprompt,milouse/liquidprompt,laurentbardin/liquidprompt