bash: fix warning about bashbug reference /usr/bin when installed in /bin

Change the installation process so we have bashbug in ${bindir} and
bash at ${base_bindir}.

(From OE-Core rev: f2dc23cf886de95040080c4398a3320c211b65fa)

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/bash/bash.inc

@@ -11,9 +11,6 @@ inherit autotools gettext update-alternatives
 
 PARALLEL_MAKE = ""
 
-bindir = "/bin"
-sbindir = "/sbin"
-
 EXTRA_OECONF = "--enable-job-control"
 export CC_FOR_BUILD = "${BUILD_CC}"
 
@@ -30,6 +27,14 @@ do_configure_prepend () {
 	fi
 }
 
+do_install_append () {
+	# Move /usr/bin/bash to /bin/bash, if need
+	if [ "${base_bindir}" != "${bindir}" ]; then
+		mkdir -p ${D}${base_bindir}
+		mv ${D}${bindir}/bash ${D}${base_bindir}
+	fi
+}
+
 pkg_postinst_${PN} () {
 	touch $D${sysconfdir}/shells
 	grep -q "bin/bash" $D${sysconfdir}/shells || echo /bin/bash >> $D${sysconfdir}/shells

meta/recipes-extended/bash/bash_4.2.bb

@@ -1,6 +1,6 @@
 require bash.inc
 
-PR = "r2"
+PR = "r4"
 
 SRC_URI = "${GNU_MIRROR}/bash/${BPN}-${PV}.tar.gz;name=tarball \
            ${GNU_MIRROR}/bash/bash-4.2-patches/bash42-001;apply=yes;striplevel=0;name=patch001 \