More PowerEntry work.

src/engine/wpak/PowersParser.java

@@ -170,8 +170,9 @@ public class PowersParser {
                         powerEntry.grantOverrideVar = lineValues[1].trim();
                         break;
                     case "DESCRIPTION":
-                    case "CATEGORY":
                         powerEntry.description.add(lineValues[1].trim());
+                    case "CATEGORY":
+                        powerEntry.category = lineValues[1].trim();
                         break;
                     case "CURVE":
                         arguments = lineValues[1].trim().split(" ");