Fix an English writing typo.

Author: Xreki

paddle/fluid/operators/math/sequence2batch.h

@@ -69,7 +69,7 @@ class LoDTensor2BatchFunctor {
                         "sequence information.");
       PADDLE_ENFORCE_EQ(
           lods[1].size(), static_cast<size_t>(lod_tensor.dims()[0]),
-          "The LoD information should be consistant with the dims.");
+          "The LoD information should be consistent with the dims.");
       CopyMatrixRowsFunctor<DeviceContext, T> to_batch;
       to_batch(context, lod_tensor, lods[1], batch, true);
       return;
@@ -166,7 +166,7 @@ class Batch2LoDTensorFunctor {
                       "sequence information.");
     PADDLE_ENFORCE_EQ(
         in_lod[1].size(), static_cast<size_t>(lod_tensor->dims()[0]),
-        "The LoD information should be consistant with the dims.");
+        "The LoD information should be consistent with the dims.");
     CopyMatrixRowsFunctor<DeviceContext, T> to_seq;
     to_seq(context, batch, in_lod[1], lod_tensor, false);
   }