eglibc-2.13: Replace oewarn with bbwarn

oewarn does not exist

(From OE-Core rev: 97249b6d12e9a87bac97a48ad35434084bbe70e3)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/eglibc/eglibc_2.13.bb

@@ -204,7 +204,7 @@ do_compile () {
 		cd ${S}/sunrpc/rpcsvc
 		for r in ${rpcsvc}; do
 			h=`echo $r|sed -e's,\.x$,.h,'`
-			rpcgen -h $r -o $h || oewarn "unable to generate header for $r"
+			rpcgen -h $r -o $h || bbwarn "unable to generate header for $r"
 		done
 	)
 	echo "Adjust ldd script"