Fix spelling error (#6349)

nimsuggest/nimsuggest.nim

@@ -365,7 +365,7 @@ proc replEpc(x: ThreadParams) {.thread.} =
     of "epc-error":
       # an unhandled exception forces down the whole process anyway, so we
       # use 'quit' here instead of 'raise'
-      quit("recieved epc error: " & $messageBuffer)
+      quit("received epc error: " & $messageBuffer)
     else:
       let errMessage = case epcApi
                        of "return", "return-error":