Merge branch 'master' into jgrpp

# Conflicts:
#	src/fileio.cpp
#	src/group_gui.cpp
#	src/industry.h
#	src/lang/korean.txt
#	src/linkgraph/linkgraphjob.cpp
#	src/linkgraph/linkgraphjob.h
#	src/linkgraph/linkgraphschedule.cpp
#	src/linkgraph/linkgraphschedule.h
#	src/openttd.cpp
#	src/saveload/saveload.cpp
#	src/saveload/saveload.h
#	src/town_cmd.cpp
#	src/vehicle_gui.cpp
#	src/vehicle_gui_base.h

src/saveload/afterload.cpp

@@ -3691,6 +3691,14 @@ bool AfterLoadGame()
 		}
 	}
 
+	/* Make sure all industries exclusive supplier/consumer set correctly. */
+	if (IsSavegameVersionBefore(SLV_GS_INDUSTRY_CONTROL)) {
+		for (Industry *i : Industry::Iterate()) {
+			i->exclusive_supplier = INVALID_OWNER;
+			i->exclusive_consumer = INVALID_OWNER;
+		}
+	}
+
 	/* Compute station catchment areas. This is needed here in case UpdateStationAcceptance is called below. */
 	Station::RecomputeCatchmentForAll();