Fix braces for calculating brick layout

Author: Valekta

generator/org.svis.generator/src/org/svis/generator/city/m2m/BrickLayout.java

@@ -122,8 +122,8 @@ private static void seperateBuilding(final Building b) {
 			// setting position for brick
 			Position pos = cityFactory.createPosition();
 			pos.setX(b_lowerLeftX + config.getBrickHorizontalMargin()
-					+ (config.getBrickHorizontalGap() + config.getBrickSize() * bsPosIndex_X
-					+ config.getBrickSize() * 0.5));
+					+ (config.getBrickHorizontalGap() + config.getBrickSize()) * bsPosIndex_X
+					+ config.getBrickSize() * 0.5);
 			pos.setZ(b_lowerLeftZ + config.getBrickHorizontalMargin()
 					+ (config.getBrickHorizontalGap() + config.getBrickSize()) * bsPosIndex_Z
 					+ config.getBrickSize() * 0.5);