Fix erroneous cross-reference in comment.

tglsfdc · tglsfdc · commit bfba563bc5d8 · 2017-04-15T14:22:26.000-04:00
Seems to have been introduced in commit c219d9b. I think there indeed was a "tupbasics.h" in some early drafts of that refactoring, but it didn't survive into the committed version. Amit Kapila
diff --git a/src/include/access/htup_details.h b/src/include/access/htup_details.h
@@ -165,7 +165,7 @@ struct HeapTupleHeaderData
 	/* MORE DATA FOLLOWS AT END OF STRUCT */
 };
 
-/* typedef appears in tupbasics.h */
+/* typedef appears in htup.h */
 
 #define SizeofHeapTupleHeader offsetof(HeapTupleHeaderData, t_bits)
 
