Fix headers from review

Signed-off-by: Minju, Lee <[email protected]>

Author: leeminju531

rcl/include/rcl/graph.h

@@ -22,6 +22,8 @@ extern "C"
 {
 #endif
 
+#include <stddef.h>
+
 #include <rmw/names_and_types.h>
 #include <rmw/get_topic_names_and_types.h>
 #include <rmw/service_endpoint_info_array.h>

rcl/src/rcl/graph.c

@@ -17,16 +17,19 @@ extern "C"
 {
 #endif
 
-#include "rcl/graph.h"
+#include <stddef.h>
 
+#include "rcl/graph.h"
 #include "rcl/error_handling.h"
 #include "rcl/guard_condition.h"
 #include "rcl/wait.h"
+
 #include "rcutils/allocator.h"
 #include "rcutils/error_handling.h"
 #include "rcutils/macros.h"
 #include "rcutils/time.h"
 #include "rcutils/types.h"
+
 #include "rmw/error_handling.h"
 #include "rmw/get_node_info_and_types.h"
 #include "rmw/get_service_endpoint_info.h"

rcl/test/CMakeLists.txt

@@ -76,7 +76,8 @@ ament_add_gtest_executable(test_info_by_service
   rcl/test_info_by_service.cpp
 )
 target_link_libraries(test_info_by_service
-  ${PROJECT_NAME} wait_for_entity_helpers osrf_testing_tools_cpp::memory_tools ${test_msgs_TARGETS})
+  ${PROJECT_NAME} wait_for_entity_helpers osrf_testing_tools_cpp::memory_tools ${test_msgs_TARGETS}
+)
 
 ament_add_gtest_executable(test_count_matched
   rcl/test_count_matched.cpp

rcl/test/rcl/test_info_by_service.cpp

@@ -18,6 +18,7 @@
 
 #include <gtest/gtest.h>
 
+#include <cstddef>
 #include <memory>
 #include <string>