qcelp_lsp exported a single function, ff_acelp_lspd2lpc, which was not
specific to qcelp. It can be kept with its fixed-point version
ff_acelp_lsp2lpc in lpc.c.

Patch by Colin McQuillan ( m.niloc googlemail com )


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@19571 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b