pseudo: Add may unlink patch

Mark files which are unlinked (nlink == 0) but open with fd's as
"may-unlink" to avoid problematic database entries.

(From OE-Core rev: e1e481f3608c05ab14c61bf45cd0837d7287b6a5)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/pseudo/pseudo_git.bb

@@ -7,6 +7,7 @@ SRC_URI = "git://git.yoctoproject.org/pseudo;branch=oe-core \
            file://abort_on_mismatch.patch \
            file://track_link_fds.patch \
            file://xattr_fix.patch \
+           file://mayunlink.patch \
            file://fallback-passwd \
            file://fallback-group \
            "