dev-libs/libmemcached-awesome: sys-devel/bison -> app-alternatives/yacc

All of these will be using app-alternatives/yacc anyway as they're not unsetting

YACC or LEX, so make the dep reflect reality.

(Included both YACC and LEX out of conservatism.)

Signed-off-by: Sam James <sam@gentoo.org>

dev-libs/libmemcached-awesome/libmemcached-awesome-1.1.4.ebuild

@@ -22,7 +22,7 @@ RDEPEND="!app-forensics/memdump
 	sasl? ( dev-libs/cyrus-sasl:2 )"
 DEPEND="${RDEPEND}
 	test? ( net-misc/memcached )"
-BDEPEND="sys-devel/bison
+BDEPEND="app-alternatives/yacc
 	app-alternatives/lex
 	virtual/pkgconfig"