Fix error: unknown sketch function circle (#6012)

Author: jtran

src/lang/std/sketch.ts

@@ -3753,6 +3753,7 @@ export function isAbsoluteLine(lineCall: CallExpressionKw): boolean | Error {
       return new Error(
         `${name} call has neither ${ARG_END} nor ${ARG_END_ABSOLUTE} params`
       )
+    case 'circle':
     case 'circleThreePoint':
       return false
   }