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

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/archival/libarchive/get_header_tar_lzma.c b/archival/libarchive/get_header_tar_lzma.c
index da08e0c..6667007 100644
--- a/archival/libarchive/get_header_tar_lzma.c
+++ b/archival/libarchive/get_header_tar_lzma.c
@@ -7,7 +7,7 @@
  */
 
 #include "libbb.h"
-#include "archive.h"
+#include "bb_archive.h"
 
 char FAST_FUNC get_header_tar_lzma(archive_handle_t *archive_handle)
 {