util: avoid unreachable code

Author: sc0w

src/core/util.c

@@ -495,37 +495,26 @@ meta_gravity_to_string (int gravity)
     {
     case NorthWestGravity:
       return "NorthWestGravity";
-      break;
     case NorthGravity:
       return "NorthGravity";
-      break;
     case NorthEastGravity:
       return "NorthEastGravity";
-      break;
     case WestGravity:
       return "WestGravity";
-      break;
     case CenterGravity:
       return "CenterGravity";
-      break;
     case EastGravity:
       return "EastGravity";
-      break;
     case SouthWestGravity:
       return "SouthWestGravity";
-      break;
     case SouthGravity:
       return "SouthGravity";
-      break;
     case SouthEastGravity:
       return "SouthEastGravity";
-      break;
     case StaticGravity:
       return "StaticGravity";
-      break;
     default:
       return "NorthWestGravity";
-      break;
     }
 }