[ALSA] sound/core.h: evil #ifdefs

snd_minor_info_oss_* is an function returning int _or_ comment,
depending on config parameters. That is truly evil, fix it.
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

include/sound/core.h

@@ -277,8 +277,8 @@ int snd_minor_info_done(void);
 int snd_minor_info_oss_init(void);
 int snd_minor_info_oss_done(void);
 #else
-#define snd_minor_info_oss_init() /*NOP*/
-#define snd_minor_info_oss_done() /*NOP*/
+static inline int snd_minor_info_oss_init(void) { return 0; }
+static inline int snd_minor_info_oss_done(void) { return 0; }
 #endif
 
 /* memory.c */