Update preprocessor directives according to guidelines

Author: AlekseiNikiforovIBM

src/llama-model-loader.cpp

@@ -1030,7 +1030,7 @@ bool llama_model_loader::load_all_data(
                 if (byteswap != nullptr) {
                     byteswap(cur->data, ggml_nelements(cur) / ggml_blck_size(cur->type));
                 }
-#endif
+#endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
 
                 if (check_tensors) {
                     validation_result.emplace_back(std::async(std::launch::async, [cur, n_size] {
@@ -1066,7 +1066,7 @@ bool llama_model_loader::load_all_data(
                     if (byteswap != nullptr) {
                         byteswap(read_buf.data(), read_buf.size() / ggml_blck_size(cur->type));
                     }
-#endif
+#endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
 
                     ggml_backend_tensor_set(cur, read_buf.data(), 0, n_size);
                     if (check_tensors && !ggml_validate_row_data(cur->type, read_buf.data(), n_size)) {

src/unicode.h

@@ -53,9 +53,9 @@ struct unicode_cpt_flags {
         is_lowercase   = (flags & LOWERCASE)   ? 1 : 0;
         is_uppercase   = (flags & UPPERCASE)   ? 1 : 0;
         is_nfd         = (flags & NFD)         ? 1 : 0;
-#else
+#else // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
 #error Unexpected or undefined __BYTE_ORDER__
-#endif
+#endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
     }
 
     inline uint16_t as_uint() const {
@@ -78,9 +78,9 @@ struct unicode_cpt_flags {
             ;
 
         return result;
-#else
+#else // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
 #error Unexpected or undefined __BYTE_ORDER__
-#endif
+#endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
     }
 
     inline uint16_t category_flag() const {