Removed trailing whitespace from CHANGELOG.md

CHANGELOG.md

@@ -15,11 +15,11 @@ sequential patch number (starting from `01`).
 - AMIP_INTERP: A namelist flag called `use_mpp_io` if set to .true. will use mpp_io. The default is .false. and will use fms2_io.
 - TOPOGRAPHY: A namelist flag called `use_mpp_io` if set to .true. will use mpp_io. The default is .false. and will use fms2_io.
 - DATA_OVERRIDE: A namelist flag called `use_mpp_bug` if set to .true. will use mpp_io. The default is .false. and will use fms2_io.
-- DATA_OVERRIDE: A namelist flag called `reproduce_null_char_bug_flag` if set to .true. and fms2_io is being used, it will reproduce the mpp_io bug where the axis bounds were calculated instead of read. The default is .false. 
+- DATA_OVERRIDE: A namelist flag called `reproduce_null_char_bug_flag` if set to .true. and fms2_io is being used, it will reproduce the mpp_io bug where the axis bounds were calculated instead of read. The default is .false.
 A unit test was added to test the functionality of `get_grid_version_1`
 - FMS2_IO: A unit test was added to test the functionality of `get_valid` and `is_valid`
 ### Changed
-- The autotools build has been changed to copy each subdirectory module (.mod) files to a common .mod directory located at the top of the source directory.  This change simplifies the include path specifications. 
+- The autotools build has been changed to copy each subdirectory module (.mod) files to a common .mod directory located at the top of the source directory.  This change simplifies the include path specifications.
 - Use F90 module files for external libraries (MPI and NetCDF) for improved interface checking, thereby removing the reliance on library header include files.
 ### Removed
 - LIBFMS: The flag -Duse_mpp_io should not be used and will cause a crash
@@ -38,7 +38,7 @@ The fms2_io unit tests were modified so they can work with the AOCC compiler
 - 2020.04-alpha2 (ad9915d83a2f34610cd748fd85889ba1f0f1fc02)
 - 2020.04-alpha3 (e7e48839ab25cc9405abe5d8418e1b6ee6fb2d69)
 - 2020.04-beta1 (6d3ac620423e7ede412e4bb1b36c338775d95193)
- 
+
 ## [2020.03] - 2020-10-08
 ### Added
 - FMS2_IO: Adds header_buffer_val to the fms2io namelist which sets the netcdf header size in bytes. The default value is 16kb