CHANGELOG.md: add entry for #115.

Author: PeterMatula

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 * Fix: Fixed handling of pointers with segment overrides, including loads/stores from/to zero (null) pointers ([#41](https://github.com/avast-tl/retdec/issues/41), [#169](https://github.com/avast-tl/retdec/issues/169), [#347](https://github.com/avast-tl/retdec/issues/347), [#376](https://github.com/avast-tl/retdec/issues/376), [#391](https://github.com/avast-tl/retdec/pull/391)).
 * Fix: Fixed translation of x86 FPU instructions to LLVM IR ([#293](https://github.com/avast-tl/retdec/issues/293)).
+* Enhancement: Capstone2LlvmIr library refactoring ([#115](https://github.com/avast-tl/retdec/issues/115)).
 * Enhancement: Removed the build and runtime dependency on ncurses/libtinfo ([#409](https://github.com/avast-tl/retdec/pull/409)).
 * Enhancement: Add a check into our scripts that they are run from an installation directory and not from the `scripts` directory ([#418](https://github.com/avast-tl/retdec/issues/418)).