THRIFT-2849: spelling errors fixed using codespell tool

Client: All
Patch: Anatol Pomozov

This closes #281
diff --git a/lib/delphi/test/TestClient.pas b/lib/delphi/test/TestClient.pas
index dc39828..9b091ae 100644
--- a/lib/delphi/test/TestClient.pas
+++ b/lib/delphi/test/TestClient.pas
@@ -511,7 +511,7 @@
 
   s := client.testString(HUGE_TEST_STRING);
   Expect( length(s) = length(HUGE_TEST_STRING),
-          'testString( lenght(HUGE_TEST_STRING) = '+IntToStr(Length(HUGE_TEST_STRING))+') '
+          'testString( length(HUGE_TEST_STRING) = '+IntToStr(Length(HUGE_TEST_STRING))+') '
          +'=> length(result) = '+IntToStr(Length(s)));
 
   i8 := client.testByte(1);