SCI: hoyle 4 workaround entry (bug #6601)
BACKENDS: Fix invalid buffer size in CFStringGetCString call
SCI: another workaround for hoyle 4 (bug #6598)
SCI: Silence a gcc conversion warning
BBVS: Silence gcc conversion warnings
MADS: Silence gcc conversion warnings
SCI: more hoyle 4 workarounds (bug #6604)