---- cinelerra/filepng.C.orig 2009-08-06 01:38:39.000000000 +0200
-+++ cinelerra/filepng.C 2010-03-05 12:31:25.836243101 +0100
-@@ -54,7 +54,7 @@
- fread(test, 16, 1, stream);
- fclose(stream);
-
-- if(png_check_sig((unsigned char*)test, 8))
-+ if(png_sig_cmp((unsigned char*)test, 0, 8))
- {
- //printf("FilePNG::check_sig 1\n");
- return 1;
--- plugins/shapewipe/shapewipe.C.orig 2012-09-21 19:50:49.184736513 +0100
+++ plugins/shapewipe/shapewipe.C 2012-09-21 19:51:20.498072776 +0100
@@ -467,7 +467,7 @@