Correction for the fix for Bug 3508 - Persistent storage support breaks Linux compatibility.
A 2nd `make install' will fail attempting to create symlink libnvmemmory.so already created by 1st install.
Install should pre-emptively delete it.
/* es1370.c */
int es1370_init (PCIBus *bus, AudioState *s);
/* sb16.c */
int SB16_init (AudioState *s, qemu_irq *pic);
/* adlib.c */
int Adlib_init (AudioState *s, qemu_irq *pic);
/* gus.c */
int GUS_init (AudioState *s, qemu_irq *pic);
/* ac97.c */
int ac97_init (PCIBus *buf, AudioState *s);
/* cs4231a.c */
int cs4231a_init (AudioState *s, qemu_irq *pic);