Remove incorrectly duplicated sizeof from micro_allocator

PiperOrigin-RevId: 289896711
Change-Id: Ieca61d4761e58215b06ce816d03b2c649b55815a
diff --git a/tensorflow/lite/micro/micro_allocator.cc b/tensorflow/lite/micro/micro_allocator.cc
index 807319f..f28ae0d 100644
--- a/tensorflow/lite/micro/micro_allocator.cc
+++ b/tensorflow/lite/micro/micro_allocator.cc
@@ -435,7 +435,7 @@
       (src_quantization->zero_point()->size() > 0)) {
     result->params.scale = src_quantization->scale()->Get(0);
     // This magic handles issues with little-endianness.
-    for (unsigned int b = 0; b < sizeof(sizeof(result->params.zero_point)); ++b)
+    for (unsigned int b = 0; b < sizeof(result->params.zero_point); ++b)
       *(reinterpret_cast<char*>(&result->params.zero_point) + b) =
           *(reinterpret_cast<const char*>(
                 src_quantization->zero_point()->Data()) +