File xsane-libpng15.patch of Package xsane

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=649800
--- xsane-0.998.orig/src/xsane-save.c
+++ xsane-0.998/src/xsane-save.c
@@ -4928,8 +4928,11 @@ int xsane_save_png(FILE *outfile, int co
     xsane_back_gtk_error(buf, TRUE);
     return -1; /* error */
   }
-
+#if PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 4
+  if ( setjmp( png_jmpbuf ( png_ptr ) ) )
+#else
   if (setjmp(png_ptr->jmpbuf))
+#endif
   {
     snprintf(buf, sizeof(buf), "%s %s", ERR_DURING_SAVE, ERR_LIBPNG);
     xsane_back_gtk_error(buf, TRUE);
@@ -5119,7 +5122,11 @@ int xsane_save_png_16(FILE *outfile, int
     return -1; /* error */
   }
 
+#if PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 4
+  if ( setjmp( png_jmpbuf ( png_ptr ) ) )
+#else
   if (setjmp(png_ptr->jmpbuf))
+#endif
   {
     snprintf(buf, sizeof(buf), "%s %s", ERR_DURING_SAVE, ERR_LIBPNG);
     xsane_back_gtk_error(buf, TRUE);