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fix building with libpng-1.5
--- libplot/z_write.c
+++ libplot/z_write.c
@@ -164,7 +164,7 @@
}
/* cleanup after libpng errors (error handler does a longjmp) */
- if (setjmp (png_ptr->jmpbuf))
+ if (setjmp (png_jmpbuf (png_ptr)))
{
png_destroy_write_struct (&png_ptr, (png_info **)NULL);
return -1;
@@ -444,7 +444,7 @@
#endif
}
- longjmp (png_ptr->jmpbuf, 1);
+ png_longjmp (png_ptr, 1);
}
static void
@@ -515,7 +515,7 @@
#endif
}
- longjmp (png_ptr->jmpbuf, 1);
+ png_longjmp (png_ptr, 1);
}
static void
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