convert : fix squeeze for ssm_conv tensors

Author: ggerganov

convert_hf_to_gguf.py

@@ -3814,6 +3814,10 @@ def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iter
             logger.debug("A_log --> A ==> " + new_name)
             data_torch = -torch.exp(data_torch)
 
+        # [4 1 8192 1] -> [4 8192 1 1]
+        if new_name.endswith(".ssm_conv1d"):
+            data_torch = data_torch.squeeze()
+
         # assuming token_embd.weight is seen before output.weight
         if self._tok_embd is not None and new_name == output_name:
             if torch.equal(self._tok_embd, data_torch):