add suffix_flag settings to GPU package styles

src/GPU/pair_born_gpu.cpp

@@ -34,6 +34,7 @@
 #include "update.h"
 #include "domain.h"
 #include "gpu_extra.h"
+#include "suffix.h"
 
 using namespace LAMMPS_NS;
 
@@ -71,6 +72,7 @@ PairBornGPU::PairBornGPU(LAMMPS *lmp) : PairBorn(lmp), gpu_mode(GPU_FORCE)
 {
   respa_enable = 0;
   cpu_time = 0.0;
+  suffix_flag |= Suffix::GPU;
   GPU_EXTRA::gpu_ready(lmp->modify, lmp->error);
 }