(svn r16853) -Codechange: make CargoSpec const at two places

src/cargotype.cpp

@@ -56,7 +56,7 @@ void SetupCargoForClimate(LandscapeID l)
 
 CargoID GetCargoIDByLabel(CargoLabel cl)
 {
-	CargoSpec *cs;
+	const CargoSpec *cs;
 	FOR_ALL_CARGOSPECS(cs) {
 		if (cs->label == cl) return cs->Index();
 	}
@@ -74,7 +74,7 @@ CargoID GetCargoIDByBitnum(uint8 bitnum)
 {
 	if (bitnum == INVALID_CARGO) return CT_INVALID;
 
-	CargoSpec *cs;
+	const CargoSpec *cs;
 	FOR_ALL_CARGOSPECS(cs) {
 		if (cs->bitnum == bitnum) return cs->Index();
 	}

src/cargotype.h

@@ -70,8 +70,8 @@ struct CargoSpec {
 	}
 
 	/**
-	 * Total number of subsidies, both valid and invalid
-	 * @return length of Subsidy::array
+	 * Total number of cargospecs, both valid and invalid
+	 * @return length of CargoSpec::array
 	 */
 	static FORCEINLINE size_t GetArraySize()
 	{
@@ -90,7 +90,7 @@ struct CargoSpec {
 	}
 
 private:
-	static CargoSpec array[NUM_CARGO];
+	static CargoSpec array[NUM_CARGO]; ///< Array holding all CargoSpecs
 
 	friend void SetupCargoForClimate(LandscapeID l);
 };