nana: Fix buildpaths warning.

WARNING: nana-2.5+git-r0 do_package_qa: QA Issue: File /usr/bin/nana-c++lg in package nana contains reference to TMPDIR
File /usr/bin/nana-clg in package nana contains reference to TMPDIR
File /usr/bin/nana in package nana contains reference to TMPDIR [buildpaths]

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Armin Kuster <akuster@mvista.com>

meta-oe/recipes-extended/nana/nana_git.bb

@@ -42,3 +42,9 @@ do_configure:prepend:class-nativesdk() {
 }
 
 BBCLASSEXTEND = "native nativesdk"
+
+do_install:append() {
+    sed -i -e 's,--sysroot=${STAGING_DIR_TARGET},,g' ${D}${bindir}/nana-c++lg
+    sed -i -e 's,--sysroot=${STAGING_DIR_TARGET},,g' ${D}${bindir}/nana-clg
+    sed -i -e 's,--sysroot=${STAGING_DIR_TARGET},,g' ${D}${bindir}/nana
+}