Fix comment referencing GetLastError.

Change-Id: Ia3879f063e4d3e90135053e4d7812d6e41aa633a
diff --git a/include/perfetto/trace_processor/trace_processor.h b/include/perfetto/trace_processor/trace_processor.h
index 17de83b..b938f3a 100644
--- a/include/perfetto/trace_processor/trace_processor.h
+++ b/include/perfetto/trace_processor/trace_processor.h
@@ -48,7 +48,7 @@
 
     // Forwards the iterator to the next result row and returns a boolean of
     // whether there is a next row. If this method returns false,
-    // |GetLastError()| should be called to check if there was an error. If
+    // |Status()| should be called to check if there was an error. If
     // there was no error, this means the EOF was reached.
     bool Next();