Run of unchanged for postgresql-periods

Try this locally (using silver-platter):

debian-svp just-build postgresql-periods 
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 postgresql-periods-1.0/periods--1.2.sql
 postgresql-periods-1.0/periods.c
 postgresql-periods-1.0/periods.control
 postgresql-periods-1.0/sql/acl.sql
 postgresql-periods-1.0/sql/drop_protection.sql
 postgresql-periods-1.0/sql/excluded_columns.sql
 postgresql-periods-1.0/sql/install.sql
 postgresql-periods-1.0/sql/issues.sql
 postgresql-periods-1.0/sql/rename_following.sql
 postgresql-periods-1.0/sql/system_versioning.sql
dpkg-source: error: aborting due to unexpected upstream changes, see /home/janitor/tmp/postgresql-periods_1.0-1~jan+unchanged1.diff.WoEQ9x
dpkg-source: info: you can integrate the local changes with dpkg-source --commit
E: Failed to package source directory /home/janitor/tmp/tmpon46pmj_/build-area/postgresql-periods-1.0
brz: ERROR: The build failed.
brz: warning: some compiled extensions could not be loaded; see ``brz help missing-extensions``

Full build log Full worker log