[librsvg] Normalize test reference PNGs; font rendering changed a little bit

[Federico Mena Quintero <federico src gnome org>]

commit 5a88df059eb78b40f4e0bca35632ad96be128562
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Oct 21 13:30:35 2016 -0500

    Normalize test reference PNGs; font rendering changed a little bit

 tests/fixtures/reftests/bugs/340047-ref.png |  Bin 4706 -> 4891 bytes
 tests/fixtures/reftests/bugs/749415-ref.png |  Bin 19572 -> 21402 bytes
 tests/fixtures/reftests/bugs/760180-ref.png |  Bin 8120 -> 8884 bytes
 3 files changed, 0 insertions(+), 0 deletions(-)
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diff --git a/tests/fixtures/reftests/bugs/340047-ref.png b/tests/fixtures/reftests/bugs/340047-ref.png
index e520525..9c5d32d 100644
Binary files a/tests/fixtures/reftests/bugs/340047-ref.png and b/tests/fixtures/reftests/bugs/340047-ref.png 
differ
diff --git a/tests/fixtures/reftests/bugs/749415-ref.png b/tests/fixtures/reftests/bugs/749415-ref.png
index eff2b06..1e86261 100644
Binary files a/tests/fixtures/reftests/bugs/749415-ref.png and b/tests/fixtures/reftests/bugs/749415-ref.png 
differ
diff --git a/tests/fixtures/reftests/bugs/760180-ref.png b/tests/fixtures/reftests/bugs/760180-ref.png
index 8ff6e2c..1998e81 100644
Binary files a/tests/fixtures/reftests/bugs/760180-ref.png and b/tests/fixtures/reftests/bugs/760180-ref.png 
differ