Fix building with CRAMFS but not JFFS2 support

Signed-off-by: Harald Welte <laforge@openmoko.org>

Index: u-boot/fs/cramfs/cramfs.c
===================================================================
--- u-boot.orig/fs/cramfs/cramfs.c	2007-02-17 11:46:26.000000000 +0100
+++ u-boot/fs/cramfs/cramfs.c	2007-02-17 11:54:36.000000000 +0100
@@ -27,7 +27,7 @@
 #include <common.h>
 #include <malloc.h>
 
-#if (CONFIG_COMMANDS & CFG_CMD_JFFS2)
+#if (CONFIG_COMMANDS & CFG_CMD_CRAMFS)
 
 #include <asm/byteorder.h>
 #include <linux/stat.h>
Index: u-boot/common/cmd_jffs2.c
===================================================================
--- u-boot.orig/common/cmd_jffs2.c	2007-02-17 11:47:51.000000000 +0100
+++ u-boot/common/cmd_jffs2.c	2007-02-17 14:08:25.000000000 +0100
@@ -170,10 +170,19 @@
 static struct mtd_device *current_dev = NULL;
 static u8 current_partnum = 0;
 
+#ifdef CFG_CMD_CRAMFS
 extern int cramfs_check (struct part_info *info);
 extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename);
 extern int cramfs_ls (struct part_info *info, char *filename);
 extern int cramfs_info (struct part_info *info);
+#else
+/* defining empty macros for function names is ugly but avoids ifdef clutter
+ * all over the code */
+#define cramfs_check(x)		(0)
+#define cramfs_load(x,y,z)	(-1)
+#define cramfs_ls(x,y)		(0)
+#define cramfs_info(x)		(0)
+#endif
 
 static struct part_info* jffs2_part_info(struct mtd_device *dev, unsigned int part_num);