Fixed silly error in #576, not F*'s fault
Fixed silly error in #576, not F*'s fault

MallabaevAzamat/FStar,YaccConstructor/FStar,hoheinzollern/FStar,A-Manning/FStar,hoheinzollern/FStar,YaccConstructor/FStar,A-Manning/FStar,MallabaevAzamat/FStar,YaccConstructor/FStar,FStarLang/FStar,FStarLang/FStar,hoheinzollern/FStar,FStarLang/FStar,YaccConstructor/FStar,MallabaevAzamat/FStar,hoheinzollern/FStar,MallabaevAzamat/FStar,A-Manning/FStar