lib: compile uuid_guid_get_str if CONFIG_LIB_UUID=y

Currently uuid_guid_get_str() is only built if
CONFIG_PARTITION_TYPE_GUID=y.

To make it usable for other GUIDs compile it if CONFIG_LIB_UUID=y.
The linker will take care of removing it if it is unused.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/lib/uuid.c b/lib/uuid.c
index e4703dc..56c452e 100644
--- a/lib/uuid.c
+++ b/lib/uuid.c
@@ -86,11 +86,11 @@
 	return 1;
 }
 
-#ifdef CONFIG_PARTITION_TYPE_GUID
 static const struct {
 	const char *string;
 	efi_guid_t guid;
 } list_guid[] = {
+#ifdef CONFIG_PARTITION_TYPE_GUID
 	{"system",	PARTITION_SYSTEM_GUID},
 	{"mbr",		LEGACY_MBR_PARTITION_GUID},
 	{"msft",	PARTITION_MSFT_RESERVED_GUID},
@@ -100,6 +100,7 @@
 	{"swap",	PARTITION_LINUX_SWAP_GUID},
 	{"lvm",		PARTITION_LINUX_LVM_GUID},
 	{"u-boot-env",	PARTITION_U_BOOT_ENVIRONMENT},
+#endif
 };
 
 /*
@@ -139,7 +140,6 @@
 	}
 	return NULL;
 }
-#endif
 
 /*
  * uuid_str_to_bin() - convert string UUID or GUID to big endian binary data.