Add missing break

Found compiling with AArch64 GCC 7.2.

Change-Id: Ie6b86e23d1d3a33ce8fc4bc54dac367966debd30
Signed-off-by: Kevin Petit <kevin.petit@arm.com>
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/112108
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
diff --git a/utils/TypePrinter.h b/utils/TypePrinter.h
index 876f3fc..22e6554 100644
--- a/utils/TypePrinter.h
+++ b/utils/TypePrinter.h
@@ -236,6 +236,7 @@
             break;
         case ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU:
             os << "LU_BOUNDED_RELU";
+            break;
         case ActivationLayerInfo::ActivationFunction::SQUARE:
             os << "SQUARE";
             break;