COMPMID-2177 Fix clang warnings

Change-Id: I78039db8c58d7b14a042c41e54c25fb9cb509bf7
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1092
Reviewed-by: VidhyaSudhan Loganathan <vidhyasudhan.loganathan@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/NEErodeKernel.cpp b/src/core/NEON/kernels/NEErodeKernel.cpp
index 88c20f8..2a538ec 100644
--- a/src/core/NEON/kernels/NEErodeKernel.cpp
+++ b/src/core/NEON/kernels/NEErodeKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017 ARM Limited.
+ * Copyright (c) 2016-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -94,7 +94,8 @@
         uint8x8_t bot_high_data = vget_high_u8(bot_data);
         uint8x8_t bot_low_data  = vget_low_u8(bot_data);
 
-        uint8x8_t p0, p1;
+        uint8x8_t p0;
+        uint8x8_t p1;
 
         p0 = top_low_data;
         p1 = vext_u8(top_low_data, top_high_data, 1);