Update CHANGELOG.md

Author: robertodr

CHANGELOG.md

@@ -426,7 +426,7 @@
 ## v1.0.0 - 2014-09-30 [YANKED]
 
 [Unreleased]: https://github.com/PCMSolver/pcmsolver/compare/v1.1.12..HEAD
-[Version 1.1.11]: https://github.com/PCMSolver/pcmsolver/compare/v1.1.11...v1.1.12
+[Version 1.1.12]: https://github.com/PCMSolver/pcmsolver/compare/v1.1.11...v1.1.12
 [Version 1.1.11]: https://github.com/PCMSolver/pcmsolver/compare/v1.1.10...v1.1.11
 [Version 1.1.10]: https://github.com/PCMSolver/pcmsolver/compare/v1.1.9...v1.1.10
 [Version 1.1.9]: https://github.com/PCMSolver/pcmsolver/compare/v1.1.8...v1.1.9