COMPMID-417 Fix bare metal build for armv7a

Change-Id: I566a41061b75c3a1dad5374fcdc84372e6cfbe89
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/89670
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/src/runtime/NEON/functions/NEDepthConcatenate.cpp b/src/runtime/NEON/functions/NEDepthConcatenate.cpp
index ddf7e90..90eee4f4 100644
--- a/src/runtime/NEON/functions/NEDepthConcatenate.cpp
+++ b/src/runtime/NEON/functions/NEDepthConcatenate.cpp
@@ -52,7 +52,7 @@
     for(unsigned int i = 0; i < _num_inputs; ++i)
     {
         _concat_kernels_vector[i].configure(inputs_vector.at(i), depth_offset, output);
-        _border_handlers_vector[i].configure(inputs_vector.at(i), _concat_kernels_vector[i].border_size(), BorderMode::CONSTANT, PixelValue(0));
+        _border_handlers_vector[i].configure(inputs_vector.at(i), _concat_kernels_vector[i].border_size(), BorderMode::CONSTANT, PixelValue(static_cast<float>(0.f)));
 
         depth_offset += inputs_vector.at(i)->info()->dimension(2);
     }