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

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/archival/libarchive/init_handle.c b/archival/libarchive/init_handle.c
index 6644ea1..cbae06a 100644
--- a/archival/libarchive/init_handle.c
+++ b/archival/libarchive/init_handle.c
@@ -4,7 +4,7 @@
  */
 
 #include "libbb.h"
-#include "archive.h"
+#include "bb_archive.h"
 
 archive_handle_t* FAST_FUNC init_handle(void)
 {