various foodstuff: handle ControlUse properly

Otherwise other things might happen after consumption. Like, collecting rocks.

planet/Objects.ocd/Items.ocd/Foodstuff.ocd/Bread.ocd/Script.c

@@ -10,6 +10,7 @@ protected func Hit()
 protected func ControlUse(object clonk, int iX, int iY)
 {
 	clonk->Eat(this);
+	return true;
 }
 
 public func NutritionalValue() { return 50; }

planet/Objects.ocd/Items.ocd/Foodstuff.ocd/CookedMushroom.ocd/Script.c

@@ -16,6 +16,7 @@ func Hit()
 protected func ControlUse(object clonk)
 {
 	clonk->Eat(this);
+	return true;
 }
 
 public func NutritionalValue() { return 25; }

planet/Objects.ocd/Items.ocd/Foodstuff.ocd/Sproutberry.ocd/Script.c

@@ -15,6 +15,7 @@ public func Construction()
 protected func ControlUse(object clonk, int iX, int iY)
 {
 	clonk->Eat(this);
+	return true;
 }
 
 public func NutritionalValue() { return 5; }

planet/Objects.ocd/Vegetation.ocd/Coral.ocd/Script.c

@@ -179,6 +179,7 @@ func IsPlant(){return true;}
 protected func ControlUse(object clonk, int iX, int iY)
 {
 	clonk->Eat(this);
+	return true;
 }
 
 func NutritionalValue_() { return 5; }

planet/Objects.ocd/Vegetation.ocd/Mushroom.ocd/Script.c

@@ -41,6 +41,7 @@ public func RootSurface()
 protected func ControlUse(object clonk)
 {
 	clonk->Eat(this);
+	return true;
 }
 
 // Nutritional value depends on the completion of the mushroom.