Revert "exiv2: updated to version 0.27.0 (#66)"

I breaks most dependent recipes

This reverts commit 9a781a7988.

recipes-support/exiv2/exiv2_0.26.bb

@@ -5,20 +5,19 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=625f055f41728f84a8d7938acc35bdc2"
 DEPENDS = "zlib expat"
 
 SRC_URI = " \
-    http://www.exiv2.org/builds/${BPN}-${PV}-Source.tar.gz \
+    http://www.exiv2.org/builds/${BPN}-${PV}-trunk.tar.gz \
 "
-SRC_URI[md5sum] = "57d58c9cef127c5fa24bf0e1fbbd1f8c"
-SRC_URI[sha256sum] = "ee88bc81539b73c65010651785d094fad0b39760a424b3c16c17e1856cfef2d7"
+SRC_URI[md5sum] = "5399e3b570d7f9205f0e76d47582da4c"
+SRC_URI[sha256sum] = "c75e3c4a0811bf700d92c82319373b7a825a2331c12b8b37d41eb58e4f18eafb"
 
 inherit cmake gettext
 
-S = "${WORKDIR}/${BPN}-${PV}-Source"
+S = "${WORKDIR}/${BPN}-trunk"
 
 INSANE_SKIP_${PN} = "useless-rpaths"
 
 EXTRA_OECMAKE_append = " -DTHREADS_PTHREAD_ARG=OFF "
 
-do_install_prepend() {
+do_install_preend() {
     install -d ${D}${mandir}
 }
-