Revert "package/pkg-autotools.mk: fix runtime path"

This reverts commit c28b27032b926c2e5ce70a6feefbad34fb753772.

This still broke packages using certain older autoconf versions (E.G.  2.13
as used by thttpd/wipe).

Acked-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/pkg-autotools.mk

@@ -187,7 +187,7 @@ define $(2)_CONFIGURE_CMDS
 		--exec-prefix=/usr \
 		--sysconfdir=/etc \
 		--localstatedir=/var \
-		runstatedir=/run \
+		--runstatedir=/run \
 		--program-prefix="" \
 		--disable-gtk-doc \
 		--disable-gtk-doc-html \