commit 10893a5cfa7d792ba171282c2ec46b85ed6aae0c
Author: Gustavo Sverzut Barbieri <gustavo.barbieri@intel.com>
Date:   Thu Sep 25 18:08:02 2014 -0300

    journal: build fix when LZ4 is enabled but XZ is not

diff --git a/src/journal/journal-file.h b/src/journal/journal-file.h
index da2ef3b..6b4bf0d 100644
--- a/src/journal/journal-file.h
+++ b/src/journal/journal-file.h
@@ -78,7 +78,7 @@ typedef struct JournalFile {
 
         Hashmap *chain_cache;
 
-#ifdef HAVE_XZ
+#if defined(HAVE_XZ) || defined(HAVE_LZ4)
         void *compress_buffer;
         size_t compress_buffer_size;
 #endif