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configure: Fix compile warning in PNG test 

Fix compile warning (variable 'png_ptr' set but not used) in the
PNG detection test code.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Peter Maydell 2012-07-18 15:10:24 +01:00 committed by Blue Swirl
parent 7ace252a6a
commit 7edc3fed5e
1 changed files with 1 additions and 1 deletions
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2
configure vendored
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@ -1729,7 +1729,7 @@ cat > $TMPC <<EOF
int main(void) { int main(void) {
png_structp png_ptr; png_structp png_ptr;
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
return 0; return png_ptr != 0;
} }
EOF EOF
if $pkg_config libpng --modversion >/dev/null 2>&1; then if $pkg_config libpng --modversion >/dev/null 2>&1; then