Fix big endian GGUFs

_hf_gguf.py

@@ -202,7 +202,11 @@ class HuggingGGUFstream:
         data = self._read_field(GGUFValueType.UINT32)
         if data.value != 3:
             if data.value == 3 << 24:
-                data.value = 3
+                data = GGUFData(
+                    type = data.type,
+                    value = 3,
+                    data = data.data,
+                )
                 self.endian = '>'
             else:
                 raise TypeError('Unsupported GGUF version')