Add entry about bug fix in altitude initialization
Add entry about bug fix in altitude initialization

From e57c820 (filehandling):
===========================

In changelog_interferometry.txt,

(*) Add changelog entry about the bug fix in the previous commit
which was forgotten earlier

From 175ea7c, ed306cb in filehandling:
=====================================

In prisim/interferometry.py,

(*) Fix bug in initializing altitude parameter in member function
__init__() of class InterferometerArray

nithyanandan/PRISim