Fix typo in comment.

MasaoFujii · MasaoFujii · commit 828599acecdb · 2015-03-09T14:39:46.000+09:00
diff --git a/src/include/access/xlogrecord.h b/src/include/access/xlogrecord.h
@@ -88,7 +88,7 @@ typedef struct XLogRecordBlockHeader
 								 * image) */
 
 	/* If BKPBLOCK_HAS_IMAGE, an XLogRecordBlockImageHeader struct follows */
-	/* If !BKPBLOCK_SAME_REL is not set, a RelFileNode follows */
+	/* If BKPBLOCK_SAME_REL is not set, a RelFileNode follows */
 	/* BlockNumber follows */
 } XLogRecordBlockHeader;
 
