configure: Fix compile warning in PNG test
authorPeter Maydell <peter.maydell@linaro.org>
Wed, 18 Jul 2012 14:10:24 +0000 (15:10 +0100)
committerBlue Swirl <blauwirbel@gmail.com>
Tue, 31 Jul 2012 20:05:52 +0000 (20:05 +0000)
commit7edc3fed5e48bf59744f67d319e32e2cca0cfa8e
treea32072d57d2453592127569bdbfb712285fe437d
parent7ace252a6af1a05aa1ee3d08cf093a46f8a00ad0
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>
configure