Fix incorrect format placeholders

src/backend/access/rmgrdesc/heapdesc.c

@@ -204,7 +204,7 @@ heap2_desc(StringInfo buf, XLogReaderState *record)
 			nunused = (end - nowunused);
 			Assert(nunused >= 0);
 
-			appendStringInfo(buf, ", nunused: %u", nunused);
+			appendStringInfo(buf, ", nunused: %d", nunused);
 
 			appendStringInfoString(buf, ", redirected:");
 			array_desc(buf, redirected, sizeof(OffsetNumber) * 2,

src/backend/access/transam/xloginsert.c

@@ -357,7 +357,7 @@ XLogRegisterData(char *data, uint32 len)
 	if (num_rdatas >= max_rdatas)
 		ereport(ERROR,
 				(errmsg_internal("too much WAL data"),
-				 errdetail_internal("%u out of %u data segments are already in use.",
+				 errdetail_internal("%d out of %d data segments are already in use.",
 									num_rdatas, max_rdatas)));
 	rdata = &rdatas[num_rdatas++];
 
@@ -411,7 +411,7 @@ XLogRegisterBufData(uint8 block_id, char *data, uint32 len)
 	if (num_rdatas >= max_rdatas)
 		ereport(ERROR,
 				(errmsg_internal("too much WAL data"),
-				 errdetail_internal("%u out of %u data segments are already in use.",
+				 errdetail_internal("%d out of %d data segments are already in use.",
 									num_rdatas, max_rdatas)));
 	if (regbuf->rdata_len + len > UINT16_MAX || len > UINT16_MAX)
 		ereport(ERROR,

src/backend/utils/resowner/resowner.c

@@ -533,7 +533,7 @@ ResourceOwnerReleaseInternal(ResourceOwner owner,
 			Buffer		res = DatumGetBuffer(foundres);
 
 			if (isCommit)
-				elog(PANIC, "lost track of buffer IO on buffer %u", res);
+				elog(PANIC, "lost track of buffer IO on buffer %d", res);
 			AbortBufferIO(res);
 		}