message: minor tweak to cuda_check_maybe_redo macro
diff: @@ -77,10 +77,8 @@ struct StringHasher {
  };
  #define cuda_check_maybe_redo(expr) \
  - /* scoped */ { \
  - cudaError_t rv; \
  for (int i = 0; i < 2; ++i) { \
  - rv = expr; \
  + cudaError_t rv = expr; \
  if (rv == cudaErrorMemoryAllocation && i == 0) { \
  cuda_malloc_trim(); \
  } else { \
  @@ -88,7 +86,6 @@ struct StringHasher {
  break; \
  } \
  } \
  - }
  NAMESPACE_END(enoki)
  