[devel] Removed malformed "incomplete struct declaration" of png_info

from png.h

pnginfo.h

diff --git a/pnginfo.h b/pnginfo.h
index 65deec6..f06997f 100644
--- a/pnginfo.h
+++ b/pnginfo.h
@@ -37,7 +37,7 @@
  * itxt_ptr structure argument, and the png_set_rows and png_set_unknowns
  * functions do not make their own copies.
  */
-typedef struct png_info_struct
+struct png_info_def
 {
    /* the following are necessary for every PNG file */
    png_uint_32 width PNG_DEPSTRUCT;  /* width of image in pixels (from IHDR) */
@@ -298,4 +298,4 @@
    png_fixed_point int_y_blue PNG_DEPSTRUCT;
 #endif
 
-} png_info;
+};