Lint cleanup from William Rucklidge

Change-Id: Id8b99a2f557efe3744e95a3947f26cdc0c9c269e
diff --git a/internal/ceres/solver_impl.cc b/internal/ceres/solver_impl.cc
index 43c0be6..5779299 100644
--- a/internal/ceres/solver_impl.cc
+++ b/internal/ceres/solver_impl.cc
@@ -1357,8 +1357,8 @@
       // CGNR currently only supports the JACOBI preconditioner.
       options->preconditioner_type = JACOBI;
     } else {
-      msg += StringPrintf("ITERATIVE_SCHUR with IDENTITY preconditioner "
-                          "to CGNR with IDENTITY preconditioner.");
+      msg += "ITERATIVE_SCHUR with IDENTITY preconditioner"
+          "to CGNR with IDENTITY preconditioner.";
     }
   }
   LOG(WARNING) << msg;
@@ -1371,8 +1371,8 @@
     string* error) {
   // At this point one of two things is true.
   //
-  //  1. The user did not specify an ordering - ordering has one
-  //  group containined all the parameter blocks.
+  //  1. The user did not specify an ordering - ordering has one group
+  //  containing all the parameter blocks.
 
   //  2. The user specified an ordering, and the first group has
   //  non-zero elements.
@@ -1425,7 +1425,7 @@
 TripletSparseMatrix* SolverImpl::CreateJacobianBlockSparsityTranspose(
     const Program* program) {
 
-  // Matrix to store the block sparsity structure of
+  // Matrix to store the block sparsity structure of the Jacobian.
   TripletSparseMatrix* tsm =
       new TripletSparseMatrix(program->NumParameterBlocks(),
                               program->NumResidualBlocks(),