configure: Automatically remove obsolete entries in po files.
diff --git a/configure b/configure
index a3b5ad9..013dc0b 100755
--- a/configure
+++ b/configure
@@ -15491,7 +15491,7 @@
ALL_POT_FILES =$ALL_POT_FILES
all: \$(ALL_PO_FILES)
\$(ALL_PO_FILES): \$(srcdir)/po/wine.pot
- msgmerge -U -q --backup=none \$@ \$(srcdir)/po/wine.pot && touch \$@
+ msgmerge -q \$@ \$(srcdir)/po/wine.pot | msgattrib --no-obsolete -o \$@.new && mv \$@.new \$@
\$(srcdir)/po/wine.pot: \$(ALL_POT_FILES)
msgcat -o \$@ \$(ALL_POT_FILES)"
fi
diff --git a/configure.ac b/configure.ac
index a7a1339..277bd8e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3009,7 +3009,7 @@
ALL_POT_FILES =$ALL_POT_FILES
all: \$(ALL_PO_FILES)
\$(ALL_PO_FILES): \$(srcdir)/po/wine.pot
- msgmerge -U -q --backup=none \$[@] \$(srcdir)/po/wine.pot && touch \$[@]
+ msgmerge -q \$[@] \$(srcdir)/po/wine.pot | msgattrib --no-obsolete -o \$[@].new && mv \$[@].new \$[@]
\$(srcdir)/po/wine.pot: \$(ALL_POT_FILES)
msgcat -o \$[@] \$(ALL_POT_FILES)])
fi
