Use consistent completion item kinds for structs and unions

Author: Xanewok

rls/src/lsp_data.rs

@@ -160,7 +160,7 @@ pub fn source_kind_from_def_kind(k: DefKind) -> SymbolKind {
 pub fn completion_kind_from_match_type(m: racer::MatchType) -> CompletionItemKind {
     match m {
         racer::MatchType::Crate | racer::MatchType::Module => CompletionItemKind::Module,
-        racer::MatchType::Struct(_) => CompletionItemKind::Class,
+        racer::MatchType::Struct(_) => CompletionItemKind::Struct,
         racer::MatchType::Union(_) => CompletionItemKind::Struct,
         racer::MatchType::Enum(_) => CompletionItemKind::Enum,
         racer::MatchType::StructField | racer::MatchType::EnumVariant(_) => {