Fix compile when there is no mkl

Author: reyoung

paddle/fluid/operators/math/math_function.cc

@@ -224,7 +224,8 @@ void batched_gemm<platform::CPUDeviceContext, float>(
     const platform::CPUDeviceContext& context, const CBLAS_TRANSPOSE transA,
     const CBLAS_TRANSPOSE transB, const int M, const int N, const int K,
     const float alpha, const float* A, const float* B, const float beta,
-    float* C, const int batchCount, const int strideA, const int strideB) {
+    float* C, const int batchCount, const int64_t strideA,
+    const int64_t strideB) {
   for (int k = 0; k < batchCount; ++k) {
     const float* Ak = &A[k * strideA];
     const float* Bk = &B[k * strideB];
@@ -239,7 +240,8 @@ void batched_gemm<platform::CPUDeviceContext, double>(
     const platform::CPUDeviceContext& context, const CBLAS_TRANSPOSE transA,
     const CBLAS_TRANSPOSE transB, const int M, const int N, const int K,
     const double alpha, const double* A, const double* B, const double beta,
-    double* C, const int batchCount, const int strideA, const int strideB) {
+    double* C, const int batchCount, const int64_t strideA,
+    const int64_t strideB) {
   for (int k = 0; k < batchCount; ++k) {
     const double* Ak = &A[k * strideA];
     const double* Bk = &B[k * strideB];