Match typed case for keywords

Author: tschf

lib/provider.js

@@ -39,7 +39,7 @@ class OracleCompletionProvider {
         let suggestion;
         let firstChar = prefix.charAt(0);
 
-        if (firstChar == prefix.toUpperCase()){
+        if (firstChar == firstChar.toUpperCase()){
             suggestion = {
                 "text" : keywordName.toUpperCase(),
                 "displayText" : keywordName.toUpperCase(),