exiv2: upgrade 0.28.8 -> 0.28.9

Bug fix release.

Signed-off-by: Prasanth R <prasanth.r@lineo.co.jp>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-oe/recipes-support/exiv2/exiv2_0.28.9.bb

@@ -9,7 +9,7 @@ SRC_URI = "git://github.com/Exiv2/exiv2.git;protocol=https;branch=0.28.x;tag=v${
            file://0001-Use-automake-output-for-tests.patch \
            file://0001-Allow-test-data-path-configuration.patch \
            "
-SRCREV = "2cd987a731236037b6b78cbff897d08685a8ef49"
+SRCREV = "b0859fc61fea5dedfc898aece6b15893ddf4314e"
 
 inherit cmake gettext ptest