whitespace
diff --git a/lib/zipint.h b/lib/zipint.h
index d590461..29bd28e 100644
--- a/lib/zipint.h
+++ b/lib/zipint.h
@@ -373,7 +373,7 @@
     zip_int64_t supports;       /* supported commands */
     unsigned int open_count;    /* number of times source was opened (directly or as lower layer) */
     zip_source_write_state_t write_state;          /* whether source is open for writing */
-    bool source_closed;          /* set if source archive is closed */
+    bool source_closed;         /* set if source archive is closed */
     zip_t *source_archive;      /* zip archive we're reading from, NULL if not from archive */
     unsigned int refcount;
 };