[lldb][test] Fix -Wsign-compare in GDBRemoteCommunicationClientTest.cpp (NFC)

/data/llvm-project/third-party/unittest/googletest/include/gtest/gtest.h:1526:11: error: comparison of integers of different signs: 'const int' and 'const unsigned long' [-Werror,-Wsign-compare]
  if (lhs == rhs) {
      ~~~ ^  ~~~
/data/llvm-project/third-party/unittest/googletest/include/gtest/gtest.h:1553:12: note: in instantiation of function template specialization 'testing::internal::CmpHelperEQ<int, unsigned long>' requested here
    return CmpHelperEQ(lhs_expression, rhs_expression, lhs, rhs);
           ^
/data/llvm-project/lldb/unittests/Process/gdb-remote/GDBRemoteCommunicationClientTest.cpp:303:3: note: in instantiation of function template specialization 'testing::internal::EqHelper::Compare<int, unsigned long, nullptr>' requested here
  ASSERT_EQ(10, num_packets);
  ^
/data/llvm-project/third-party/unittest/googletest/include/gtest/gtest.h:2056:32: note: expanded from macro 'ASSERT_EQ'
                               ^
/data/llvm-project/third-party/unittest/googletest/include/gtest/gtest.h:2040:54: note: expanded from macro 'GTEST_ASSERT_EQ'
  ASSERT_PRED_FORMAT2(::testing::internal::EqHelper::Compare, val1, val2)
                                                     ^
1 error generated.

1 files changed, 1 insertions, 1 deletions

diff --git a/lldb/unittests/Process/gdb-remote/GDBRemoteCommunicationClientTest.cpp b/lldb/unittests/Process/gdb-remote/GDBRemoteCommunicationClientTest.cpp
index eec494f..f93cf8c 100644
--- a/lldb/unittests/Process/gdb-remote/GDBRemoteCommunicationClientTest.cpp
+++ b/lldb/unittests/Process/gdb-remote/GDBRemoteCommunicationClientTest.cpp
@@ -300,7 +300,7 @@ TEST_F(GDBRemoteCommunicationClientTest, TestPacketSpeedJSON) {
   size_t num_packets;
   ASSERT_TRUE(dict_sp->GetValueForKeyAsInteger("num_packets", num_packets))
       << ss.GetString();
-  ASSERT_EQ(10, num_packets);
+  ASSERT_EQ(10, (int)num_packets);
 }
 
 TEST_F(GDBRemoteCommunicationClientTest, SendSignalsToIgnore) {