Revert "Corrected indentation problem"

This reverts commit 8e56b871d7ac9eeaa2585bb558af9014f6add97f.

Conflicts:
	xapian-core/backends/brass/brass_database.h
Revert "changes for unigram"

This reverts commit 8566effb4cc224b7c2c6e344110a4f15e27e4c66.