[ALSA] Add the missing forward declration

Modules: ALSA Core

Added the missing forward declaration before function prototypes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/include/sound/core.h b/include/sound/core.h
index ed56a356ab7de36d45f36a1a7ef8dee5f2a6c343..642ddfbc63254668c3fd15da0ba5502de86df7ac 100644 (file)
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -339,6 +339,7 @@ unsigned int snd_dma_pointer(unsigned long dma, unsigned int size);
 #endif
 
 /* misc.c */
+struct resource;
 void release_and_free_resource(struct resource *res);
 
 #ifdef CONFIG_SND_VERBOSE_PRINTK