[network-manager-sstp/gettext] Setting DIST_DEPENDS_ON_UPDATE_PO=yes as a workaround for make -j dist not working with current vers

[Eivind Næss <eivnaes src gnome org>]

commit 0aa88897f4249be0c7857bad847f664fc1444975
Author: Eivind Næss <eivnaes yahoo com>
Date:   Sun Sep 11 13:23:19 2022 -0700

    Setting DIST_DEPENDS_ON_UPDATE_PO=yes as a workaround for make -j dist not working with current version 
of gettext
    
    Signed-off-by: Eivind Næss <eivnaes yahoo com>

 po/Makevars | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/Makevars b/po/Makevars
index d3881d3..957c83a 100644
--- a/po/Makevars
+++ b/po/Makevars
@@ -75,4 +75,4 @@ PO_DEPENDS_ON_POT = no
 # regenerate PO files on "make dist".  Possible values are "yes" and
 # "no".  Set this to no if the POT file and PO files are maintained
 # externally.
-DIST_DEPENDS_ON_UPDATE_PO = no
+DIST_DEPENDS_ON_UPDATE_PO = yes