CERES_DONT_HAVE_PROTOCOL_BUFFERS -> CERES_NO_PROTOCOL_BUFFERS.

Change-Id: I6c9f50e4c006faf4e75a8f417455db18357f3187

internal/ceres/block_sparse_matrix.h

diff --git a/internal/ceres/block_sparse_matrix.h b/internal/ceres/block_sparse_matrix.h
index f0be335..513d398 100644
--- a/internal/ceres/block_sparse_matrix.h
+++ b/internal/ceres/block_sparse_matrix.h
@@ -96,7 +96,7 @@
   explicit BlockSparseMatrix(CompressedRowBlockStructure* block_structure);
 
   // Construct a block sparse matrix from a protocol buffer.
-#ifndef CERES_DONT_HAVE_PROTOCOL_BUFFERS
+#ifndef CERES_NO_PROTOCOL_BUFFERS
   explicit BlockSparseMatrix(const SparseMatrixProto& proto);
 #endif
 
@@ -110,7 +110,7 @@
   virtual void SquaredColumnNorm(double* x) const;
   virtual void ScaleColumns(const double* scale);
   virtual void ToDenseMatrix(Matrix* dense_matrix) const;
-#ifndef CERES_DONT_HAVE_PROTOCOL_BUFFERS
+#ifndef CERES_NO_PROTOCOL_BUFFERS
   virtual void ToProto(SparseMatrixProto* proto) const;
 #endif
   virtual void ToTextFile(FILE* file) const;