Move ZIP_CODEC defines to zipint.h (not public). Add zip_source_seek_compute_offset
to simplify ZIP_SOURCE_SEEK implementations.
diff --git a/lib/zip_set_file_compression.c b/lib/zip_set_file_compression.c
index 1e45f24..7bb0bf9 100644
--- a/lib/zip_set_file_compression.c
+++ b/lib/zip_set_file_compression.c
@@ -36,8 +36,7 @@
 
 
 ZIP_EXTERN int
-zip_set_file_compression(zip_t *za, zip_uint64_t idx,
-			 zip_int32_t method, zip_uint32_t flags)
+zip_set_file_compression(zip_t *za, zip_uint64_t idx, zip_int32_t method, zip_uint32_t flags)
 {
     zip_entry_t *e;
     zip_int32_t old_method;