clean up code formatting (purely cosmetic)

	modified:   src/capped/blob.cc
	modified:   src/capped/blob.h
	modified:   src/capped/pool.cc
	modified:   src/capped/pool.h
	modified:   src/capped/pool.test.cc
	modified:   src/capped/reader.cc
	modified:   src/capped/reader.h
	modified:   src/capped/writer.cc
	modified:   src/capped/writer.h
	modified:   src/fiber/dispatcher.cc
	modified:   src/fiber/dispatcher.h
	modified:   src/fiber/dispatcher.test.broken.cc