[mlir] Fix -Wctad-maybe-unsupported in MemRefUtils.cpp (NFC)

/Users/jiefu/llvm-project/mlir/lib/Dialect/MemRef/Utils/MemRefUtils.cpp:56:3: error: 'SmallVector' may not intend to support class template argument deduction [-Werror,-Wctad-maybe-unsupported]
  SmallVector indicesVec = llvm::to_vector(indices);
  ^
/Users/jiefu/llvm-project/mlir/include/mlir/Support/LLVM.h:69:7: note: add a deduction guide to suppress this warning
class SmallVector;
      ^
1 error generated.

Author: DamonFool

mlir/lib/Dialect/MemRef/Utils/MemRefUtils.cpp

@@ -53,7 +53,7 @@ std::pair<LinearizedMemRefInfo, OpFoldResult> getLinearizedMemRefOffsetAndSize(
   unsigned sourceRank = sizes.size();
   assert(sizes.size() == strides.size() &&
          "expected as many sizes as strides for a memref");
-  SmallVector indicesVec = llvm::to_vector(indices);
+  SmallVector<OpFoldResult> indicesVec = llvm::to_vector(indices);
   if (indices.empty())
     indicesVec.resize(sourceRank, builder.getIndexAttr(0));
   assert(indicesVec.size() == strides.size() &&