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[libpng16] Initialize "passes" variable in pngread.c to avoid compiler warning.

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It was not actually possible to use it uninitialized but gcc doesn't know that.
This commit is contained in:
Glenn Randers-Pehrson 2011-12-24 09:25:58 -06:00
parent 5d56786eff
commit a5bf4e3767
1 changed files with 2 additions and 2 deletions
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4
pngread.c
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@ -1437,7 +1437,7 @@ png_image_read_composite(png_voidp argument)
png_imagep image = display->image;
png_structrp png_ptr = image->opaque->png_ptr;
png_byte interlace_type = png_ptr->interlaced;
int passes;
int passes = 0;
switch (interlace_type)
{
@ -1567,7 +1567,7 @@ png_image_read_background(png_voidp argument)
png_byte interlace_type = png_ptr->interlaced;
png_uint_32 height = image->height;
png_uint_32 width = image->width;
int pass, passes;
int pass, passes = 0;
/* Double check the convoluted logic below. We expect to get here with
* libpng doing rgb to gray and gamma correction but background processing