hicolor-icon-theme: bump PR to allow removal of duplicate from meta-gnome

The recipe in meta-gnome has PR = "r1" so make it the same here and
avoid PR going backwards for existing users of meta-gnome when the
recipe there is removed.

(From OE-Core rev: 200685bde7ea222891e1dde27f086caea9216e48)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-gnome/hicolor-icon-theme/hicolor-icon-theme_0.12.bb

@@ -10,7 +10,7 @@ inherit gnome allarch
 
 DEPENDS = ""
 
-PR = "r0"
+PR = "r1"
 
 SRC_URI = "http://icon-theme.freedesktop.org/releases/${BPN}-${PV}.tar.gz \
         file://index.theme"