base-files: actually install 2775 dirs as 2775, not 2755

Nothing interesting to see in the git history ; appears to have
been this way since its creation.

(From OE-Core rev: f178f56f389e9640a7e80f82250129586edff20c)

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/base-files/base-files_3.0.14.bb

@@ -72,7 +72,7 @@ do_install () {
 		install -m 1777 -d ${D}$d
 	done
 	for d in ${dirs2775}; do
-		install -m 2755 -d ${D}$d
+		install -m 2775 -d ${D}$d
 	done
 	for d in ${volatiles}; do
 		ln -sf volatile/$d ${D}${localstatedir}/$d