tree 3b677cb7ef643fdaf43d9a6af16f7237e1d22934
parent 060a850602bcdd228799a4068927b0484445b731
author Sameer Agarwal <sameeragarwal@google.com> 1406051124 -0700
committer Sameer Agarwal <sameeragarwal@google.com> 1406051266 -0700

Add sstream header to solver.cc

Thanks to Filippo Basso for reporting this.

Change-Id: I45059cd66bad9d26e706fc3011f714cf60121320