save-analysis: corrects reference for tuple struct and unit struct literals
save-analysis: corrects reference for tuple struct and unit struct literals

Fixes https://github.com/nrc/rls-analysis/issues/77

GBGamer/rust,aidancully/rust,GBGamer/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,GBGamer/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,graydon/rust,GBGamer/rust,GBGamer/rust