Lint cleanup from William Rucklidge.

Change-Id: I745810f5496a1b93263b20ff140f8883da61995e
diff --git a/internal/ceres/lapack.cc b/internal/ceres/lapack.cc
index c4f9302..90973fa 100644
--- a/internal/ceres/lapack.cc
+++ b/internal/ceres/lapack.cc
@@ -138,7 +138,7 @@
     LOG(FATAL) << "Congratulations, you found a bug in Ceres."
                << "Please report it."
                << "LAPACK::dgels fatal error."
-               << "Argument: " << info << " is invalid.";
+               << "Argument: " << -info << " is invalid.";
   }
   return static_cast<int>(work);
 #endif