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-rw-r--r--pngpriv.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/pngpriv.h b/pngpriv.h
index 245217f2c..56bfef6ef 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -1527,11 +1527,11 @@ PNG_INTERNAL_FUNCTION(void,png_handle_zTXt,(png_structrp png_ptr,
png_inforp info_ptr, png_uint_32 length),PNG_EMPTY);
#endif
-PNG_INTERNAL_FUNCTION(void,png_check_chunk_name,(png_structrp png_ptr,
- png_uint_32 chunk_name),PNG_EMPTY);
+PNG_INTERNAL_FUNCTION(void,png_check_chunk_name,(png_const_structrp png_ptr,
+ const png_uint_32 chunk_name),PNG_EMPTY);
-PNG_INTERNAL_FUNCTION(void,png_check_chunk_length,(png_structrp png_ptr,
- png_uint_32 chunk_length),PNG_EMPTY);
+PNG_INTERNAL_FUNCTION(void,png_check_chunk_length,(png_const_structrp png_ptr,
+ const png_uint_32 chunk_length),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_handle_unknown,(png_structrp png_ptr,
png_inforp info_ptr, png_uint_32 length, int keep),PNG_EMPTY);