avahi-ui: fix build with automake-1.11.2

With automake 1.11.2 /usr/lib/<pkgname> files are moved to
/usr/share/<pkgname>
Fix the rmdir in do_install which expect /usr/lib/avahi to exist.

(From OE-Core rev: d902580c21b8b80f3fb9d88faf46eae4d7b9c276)

Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-connectivity/avahi/avahi-ui_0.6.30.bb

@@ -6,7 +6,7 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=2d5025d4aa3495befef8f17206a5b0a1 \
 
 require avahi.inc
 
-PR = "${INC_PR}.1"
+PR = "${INC_PR}.2"
 
 DEPENDS += "avahi gtk+ libglade"
 
@@ -50,7 +50,6 @@ do_install_append () {
 	rm ${D}${libdir}/libavahi-g*
 	rm ${D}${libdir}/pkgconfig/avahi-c*
 	rm ${D}${libdir}/pkgconfig/avahi-g*
-	rmdir ${D}${libdir}/avahi
 	rm ${D}${sbindir} -rf
 	rm ${D}${datadir}/avahi/a*
 	rm ${D}${datadir}/avahi/s*