THRIFT-2849: spelling errors fixed using codespell tool

Client: All
Patch: Anatol Pomozov

This closes #281
diff --git a/compiler/cpp/src/globals.h b/compiler/cpp/src/globals.h
index 93d11aa..af90616 100644
--- a/compiler/cpp/src/globals.h
+++ b/compiler/cpp/src/globals.h
@@ -123,7 +123,7 @@
 };
 
 /**
- * The program level doctext. Stored seperately to make parsing easier.
+ * The program level doctext. Stored separately to make parsing easier.
  */
 extern char* g_program_doctext_candidate;
 extern int g_program_doctext_lineno;