Staging: comedi: fix build if CONFIG_PROC_FS is not set

Don't include procfs functions if CONFIG_PROC_FS is not set

Signed-off by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/comedi/proc.c

@@ -85,6 +85,7 @@ int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
 	return l;
 }
 
+#ifdef CONFIG_PROC_FS
 void comedi_proc_init(void)
 {
 	struct proc_dir_entry *comedi_proc;
@@ -98,3 +99,4 @@ void comedi_proc_cleanup(void)
 {
 	remove_proc_entry("comedi", 0);
 }
+#endif