Fix spelling mistake.

robertmhaas · robertmhaas · commit fc5d5e9de7b9 · 2016-01-14T23:15:27.000-05:00
Same patch submitted independently by David Rowley and Peter Geoghegan.
diff --git a/contrib/pg_upgrade/controldata.c b/contrib/pg_upgrade/controldata.c
@@ -580,7 +580,7 @@ check_control_data(ControlData *oldctrl,
 		pg_fatal("old and new pg_controldata block sizes are invalid or do not match\n");
 
 	if (oldctrl->largesz == 0 || oldctrl->largesz != newctrl->largesz)
-		pg_fatal("old and new pg_controldata maximum relation segement sizes are invalid or do not match\n");
+		pg_fatal("old and new pg_controldata maximum relation segment sizes are invalid or do not match\n");
 
 	if (oldctrl->walsz == 0 || oldctrl->walsz != newctrl->walsz)
 		pg_fatal("old and new pg_controldata WAL block sizes are invalid or do not match\n");
