exiv2: Fix buildpaths warning.

Remove the build path from file exiv2Config.cmake.

Signed-off-by: Lei Maohui <leimaohui@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/exiv2/exiv2_0.27.3.bb

@@ -21,3 +21,10 @@ SRC_URI += "file://0001-Use-compiler-fcf-protection-only-if-compiler-arch-su.pat
 S = "${WORKDIR}/${BPN}-${PV}-Source"
 
 inherit cmake gettext
+
+do_install:append:class-target() {
+    # reproducibility: remove build host path
+    sed -i ${D}${libdir}/cmake/exiv2/exiv2Config.cmake \
+        -e 's:${STAGING_DIR_HOST}::g'
+}
+