[gtk+] tests: Update gl outset shadow tests

[Timm Bäder <baedert src gnome org>]

commit 22c0a77ac53e8c0b01bce42e8243cb9dc196abae
Author: Timm Bäder <mail baedert org>
Date:   Mon Jan 15 10:57:25 2018 +0100

    tests: Update gl outset shadow tests
    
    The results are slightly different for these now.

 testsuite/gsk/gl/outset_shadow_rounded1.gl.png |  Bin 2640 -> 2646 bytes
 testsuite/gsk/gl/outset_shadow_rounded2.gl.png |  Bin 4472 -> 4457 bytes
 2 files changed, 0 insertions(+), 0 deletions(-)
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diff --git a/testsuite/gsk/gl/outset_shadow_rounded1.gl.png b/testsuite/gsk/gl/outset_shadow_rounded1.gl.png
index 2242bd3..6d72fbc 100644
Binary files a/testsuite/gsk/gl/outset_shadow_rounded1.gl.png and 
b/testsuite/gsk/gl/outset_shadow_rounded1.gl.png differ
diff --git a/testsuite/gsk/gl/outset_shadow_rounded2.gl.png b/testsuite/gsk/gl/outset_shadow_rounded2.gl.png
index 9e55aad..5033d70 100644
Binary files a/testsuite/gsk/gl/outset_shadow_rounded2.gl.png and 
b/testsuite/gsk/gl/outset_shadow_rounded2.gl.png differ