add missing include

Victor Lomuller · Victor Lomuller · commit 5192c25f875b · 2024-11-25T12:30:50.000Z
diff --git a/sycl/include/sycl/detail/sycl_local_mem_builtins.hpp b/sycl/include/sycl/detail/sycl_local_mem_builtins.hpp
@@ -10,6 +10,8 @@
 
 #include <sycl/detail/defines_elementary.hpp> // for __DPCPP_SYCL_EXTERNAL
 
+#include <cstddef>  // for size_t, uint8_t
+
 #ifdef __SYCL_DEVICE_ONLY__
 // Request a fixed-size allocation in local address space at kernel scope.
 // Required for group_local_memory and work_group_static.
