Add support for bzip2 compression and decompression.

More correctly set "version needed".

lib/zip_set_file_compression.c

diff --git a/lib/zip_set_file_compression.c b/lib/zip_set_file_compression.c
index 7bb0bf9..5321687 100644
--- a/lib/zip_set_file_compression.c
+++ b/lib/zip_set_file_compression.c
@@ -51,7 +51,7 @@
 	return -1;
     }
 
-    if (method != ZIP_CM_DEFAULT && method != ZIP_CM_STORE && method != ZIP_CM_DEFLATE) {
+    if (!zip_compression_method_supported(method, true)) {
 	zip_error_set(&za->error, ZIP_ER_COMPNOTSUPP, 0);
 	return -1;
     }