rename archive.h to bb_archive.h. no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/archival/libarchive/decompress_uncompress.c b/archival/libarchive/decompress_uncompress.c
index d1061a2..c6040d0 100644
--- a/archival/libarchive/decompress_uncompress.c
+++ b/archival/libarchive/decompress_uncompress.c
@@ -25,7 +25,7 @@
  */
 
 #include "libbb.h"
-#include "archive.h"
+#include "bb_archive.h"
 
 
 /* Default input buffer size */