[NFC] Fix an inaccurate comment about typo-correction. (llvm#108143)

The comment describes "If the identifier was typo-corrected", but it
doesn't need to have been typo-corrected, just being annotated is enough
to retry.

Author: mpark

clang/lib/Parse/ParseStmt.cpp

@@ -228,7 +228,7 @@ StmtResult Parser::ParseStatementOrDeclarationAfterAttributes(
         return StmtError();
       }
 
-      // If the identifier was typo-corrected, try again.
+      // If the identifier was annotated, try again.
       if (Tok.isNot(tok::identifier))
         goto Retry;
     }