configure: added xcb to dri3 modules to pkg-conf

This fixes a recent linking error in libvulkan_common

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Andres Gomez <agomez@igalia.com>
diff --git a/configure.ac b/configure.ac
index 6eee2bc..de62e8b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1319,7 +1319,7 @@
 
             if test x"$enable_dri3" = xyes; then
                PKG_CHECK_EXISTS([xcb >= $XCB_REQUIRED], [], AC_MSG_ERROR([DRI3 requires xcb >= $XCB_REQUIRED]))
-               dri3_modules="xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
+               dri3_modules="xcb xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
                PKG_CHECK_MODULES([XCB_DRI3], [$dri3_modules])
             fi
         fi