style cleanup: switch statements, include break statements within braces & indent.

also indent case's within the switch (we already did both of these almost everywhere)

source/blender/compositor/intern/COM_ExecutionGroup.cpp

@@ -288,8 +288,8 @@ void ExecutionGroup::execute(ExecutionSystem *graph)
 
 			delete hotspots[0];
 			MEM_freeN(chunkOrders);
+			break;
 		}
-		break;
 		case COM_TO_RULE_OF_THIRDS:
 		{
 			ChunkOrderHotspot *hotspots[9];
@@ -336,8 +336,8 @@ void ExecutionGroup::execute(ExecutionSystem *graph)
 			delete hotspots[7];
 			delete hotspots[8];
 			MEM_freeN(chunkOrders);
+			break;
 		}
-		break;
 		case COM_TO_TOP_DOWN:
 		default:
 			break;