[master] Imported from libpng-1.4.6beta05.tar

pngtest.c

@@ -1687,4 +1687,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_4_6beta04 your_png_h_is_not_version_1_4_6beta04;
+typedef version_1_4_6beta05 your_png_h_is_not_version_1_4_6beta05;