IVGCVSW-3492 - Fix for Array must be initialized error

Signed-off-by: Kevin May <kevin.may@arm.com>
Change-Id: Ic4177278bb8fb9e6e7e3c03ff8f49bfa99f5efdd
diff --git a/tests/ImageTensorGenerator/ImageTensorGenerator.hpp b/tests/ImageTensorGenerator/ImageTensorGenerator.hpp
index 987487d..e5bc414 100644
--- a/tests/ImageTensorGenerator/ImageTensorGenerator.hpp
+++ b/tests/ImageTensorGenerator/ImageTensorGenerator.hpp
@@ -15,8 +15,8 @@
 struct NormalizationParameters
 {
     float scale{ 1.0 };
-    std::array<float, 3> mean{ 0.0, 0.0, 0.0 };
-    std::array<float, 3> stddev{ 1.0, 1.0, 1.0 };
+    std::array<float, 3> mean{ { 0.0, 0.0, 0.0 } };
+    std::array<float, 3> stddev{ { 1.0, 1.0, 1.0 } };
 };
 
 enum class SupportedFrontend