[ALSA] sound/core Fix the sparse warning 'implicit cast to nocast type'

Memalloc module,ALSA Core,Instrument layer
Fix the sparse warning 'implicit cast to nocast type'

File/Subsystem:sound/core

Signed-off-by: Victor Fusco <victor@cetuc.puc-rio.br>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/include/sound/driver.h b/include/sound/driver.h
index 948e9a1..0d12456 100644
--- a/include/sound/driver.h
+++ b/include/sound/driver.h
@@ -51,7 +51,7 @@
 #ifdef CONFIG_SND_DEBUG_MEMORY
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
-void *snd_wrapper_kmalloc(size_t, int);
+void *snd_wrapper_kmalloc(size_t, unsigned int __nocast);
 #undef kmalloc
 void snd_wrapper_kfree(const void *);
 #undef kfree