$NetBSD: patch-ap,v 1.1 2005/08/29 10:50:57 rillig Exp $

ISO C90 compatibility mode.

--- src/px/IMG_SavePNG.c.orig	Thu Dec 30 14:21:11 2004
+++ src/px/IMG_SavePNG.c	Mon Aug 29 12:26:59 2005
@@ -63,10 +63,11 @@ int IMG_SavePNG_RW(SDL_Surface *face, SD
                                                 rmask, gmask, bmask, amask);
 
     if (surface) {
+        png_structp png_ptr;
         SDL_BlitSurface(face, NULL, surface, NULL);
         SDL_LockSurface(surface);
 
-        png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, png_user_error, png_user_warn);
+        png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, png_user_error, png_user_warn);
         if (!png_ptr) {
             IMG_SetError("Couldn't allocate memory for PNG file");
         }
@@ -84,6 +85,8 @@ int IMG_SavePNG_RW(SDL_Surface *face, SD
                     IMG_SetError("Error writing the PNG file");
                 }
                 else {
+                    int colortype;
+
                     png_set_write_fn(png_ptr, src, png_write_data, png_io_flush);
                     /* Set the image information here.  Width and height are up to 2^31,
                      * bit_depth is one of 1, 2, 4, 8, or 16, but valid values also depend on
@@ -93,7 +96,7 @@ int IMG_SavePNG_RW(SDL_Surface *face, SD
                      * PNG_INTERLACE_ADAM7, and the compression_type and filter_type MUST
                      * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE. REQUIRED
                      */
-                    int colortype = png_colortype_from_surface(surface);
+                    colortype = png_colortype_from_surface(surface);
                     png_set_IHDR(png_ptr, info_ptr, surface->w, surface->h, 8,
                                  colortype, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);