whitespace and comment format fixes, no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/archival/libarchive/decompress_bunzip2.c b/archival/libarchive/decompress_bunzip2.c
index af87964..7cd18f5 100644
--- a/archival/libarchive/decompress_bunzip2.c
+++ b/archival/libarchive/decompress_bunzip2.c
@@ -1,5 +1,6 @@
 /* vi: set sw=4 ts=4: */
-/* Small bzip2 deflate implementation, by Rob Landley (rob@landley.net).
+/*
+ * Small bzip2 deflate implementation, by Rob Landley (rob@landley.net).
  *
  * Based on bzip2 decompression code by Julian R Seward (jseward@acm.org),
  * which also acknowledges contributions by Mike Burrows, David Wheeler,