Fix typos in END_FUNCTION arguments in ARM64 assembly kernels

Fix compilation errors with GNU ARM64 toolchain

PiperOrigin-RevId: 281967270
diff --git a/src/f32-gemm/4x8s4-neon.c b/src/f32-gemm/4x8s4-neon.c
index 7783666..e462dc0 100644
--- a/src/f32-gemm/4x8s4-neon.c
+++ b/src/f32-gemm/4x8s4-neon.c
@@ -7,6 +7,7 @@
 // This source code is licensed under the BSD-style license found in the
 // LICENSE file in the root directory of this source tree.
 
+
 #include <assert.h>
 
 #include <arm_neon.h>