[devel] Add some whitespace and relocate some png_debug statements.
diff --git a/pngset.c b/pngset.c
index 503ea45..6f05c17 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
 
 /* pngset.c - storage of image information into info struct
  *
- * Last changed in libpng 1.4.0 [August 15, 2009]
+ * Last changed in libpng 1.4.0 [August 16, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -186,6 +186,7 @@
 
    if (png_ptr == NULL || info_ptr == NULL)
       return;
+
    if (info_ptr->num_palette == 0 || info_ptr->num_palette
        > PNG_MAX_PALETTE_LENGTH)
    {
@@ -1175,6 +1176,7 @@
 
    if (png_ptr == NULL)
       return;
+
    png_ptr->read_user_chunk_fn = read_user_chunk_fn;
    png_ptr->user_chunk_ptr = user_chunk_ptr;
 }