Backout tabs v spaces changes.

indra/llcorehttp/tests/llcorehttp_test.cpp

indra/llui/llfloater.cpp

indra/llui/lluictrl.h

indra/llui/tests/llurlentry_stub.cpp

indra/newview/llagentcamera.cpp

indra/newview/llagentcamera.h

indra/newview/lldrawpoolwater.cpp

indra/newview/llfloatercamera.cpp

indra/newview/llfloatercamera.h

indra/newview/llfloaterdeleteprefpreset.cpp

indra/newview/llfloaterloadprefpreset.cpp

indra/newview/llfloaterpreference.cpp

indra/newview/llfloaterpreference.h

indra/newview/llfloaterpreferenceviewadvanced.cpp

indra/newview/llfloaterpreferenceviewadvanced.h

indra/newview/llfloatersaveprefpreset.cpp

indra/newview/llnavigationbar.h

indra/newview/llpanelpresetscamerapulldown.cpp

indra/newview/llpanelpresetscamerapulldown.h

indra/newview/llpresetsmanager.cpp