Fix format code used to print dsm request sizes.

Per report from Peter Eisentraut.

src/backend/storage/ipc/dsm.c

@@ -192,8 +192,9 @@ dsm_postmaster_startup(void)
 	}
 	dsm_control = dsm_control_address;
 	on_shmem_exit(dsm_postmaster_shutdown, 0);
-	elog(DEBUG2, "created dynamic shared memory control segment %u ("
+	elog(DEBUG2,
-		UINT64_FORMAT " bytes)", dsm_control_handle, segsize);
+		 "created dynamic shared memory control segment %u (%lu bytes)",
+		 dsm_control_handle, (unsigned long) segsize);
 	dsm_write_state_file(dsm_control_handle);
 
 	/* Initialize control segment. */

src/backend/storage/ipc/dsm_impl.c

@@ -329,8 +329,8 @@ dsm_impl_posix(dsm_op op, dsm_handle handle, Size request_size,
 
 		ereport(elevel,
 				(errcode_for_dynamic_shared_memory(),
-				 errmsg("could not resize shared memory segment %s to " UINT64_FORMAT " bytes: %m",
+				 errmsg("could not resize shared memory segment %s to %lu bytes: %m",
-					name, request_size)));
+					name, (unsigned long) request_size)));
 		return false;
 	}
 
@@ -871,8 +871,8 @@ dsm_impl_mmap(dsm_op op, dsm_handle handle, Size request_size,
 
 		ereport(elevel,
 				(errcode_for_dynamic_shared_memory(),
-				 errmsg("could not resize shared memory segment %s to " UINT64_FORMAT " bytes: %m",
+				 errmsg("could not resize shared memory segment %s to %lu bytes: %m",
-					name, request_size)));
+					name, (unsigned long) request_size)));
 		return false;
 	}
 	else if (*mapped_size < request_size)
@@ -919,8 +919,8 @@ dsm_impl_mmap(dsm_op op, dsm_handle handle, Size request_size,
 
 			ereport(elevel,
 					(errcode_for_dynamic_shared_memory(),
-					 errmsg("could not resize shared memory segment %s to " UINT64_FORMAT " bytes: %m",
+					 errmsg("could not resize shared memory segment %s to %lu bytes: %m",
-						name, request_size)));
+						name, (unsigned long) request_size)));
 			return false;
 		}
 	}