MLECO-2873: Object detection usecase follow-up

Change-Id: Ic14e93a50fb7b3f3cfd9497bac1280794cc0fc15
Signed-off-by: Isabella Gottardi <isabella.gottardi@arm.com>
diff --git a/source/use_case/img_class/src/MainLoop.cc b/source/use_case/img_class/src/MainLoop.cc
index ea9f14a..cab360b 100644
--- a/source/use_case/img_class/src/MainLoop.cc
+++ b/source/use_case/img_class/src/MainLoop.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2021 - 2022 Arm Limited. All rights reserved.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -46,7 +46,7 @@
     ImgClassClassifier classifier;  /* Classifier wrapper object. */
     caseContext.Set<arm::app::Classifier&>("classifier", classifier);
 
-    std::vector <std::string> labels;
+    std::vector<std::string> labels;
     GetLabelsVector(labels);
     caseContext.Set<const std::vector <std::string>&>("labels", labels);
 
@@ -88,4 +88,4 @@
         }
     } while (executionSuccessful && bUseMenu);
     info("Main loop terminated.\n");
-}
\ No newline at end of file
+}