renamed .sfd files

diff --git a/OldStandard-Bold.sfd b/OldStandardT-Bold.sfd
similarity index 100%
rename from OldStandard-Bold.sfd
rename to OldStandardT-Bold.sfd

diff --git a/OldStandard-Italic.sfd b/OldStandardT-Italic.sfd
similarity index 100%
rename from OldStandard-Italic.sfd
rename to OldStandardT-Italic.sfd

diff --git a/OldStandard-Regular.sfd b/OldStandardT-Regular.sfd
similarity index 100%
rename from OldStandard-Regular.sfd
rename to OldStandardT-Regular.sfd