po: Preserve the previous msgid on change as a hint to translators.
diff --git a/configure b/configure
index e7d691d..045d4f5 100755
--- a/configure
+++ b/configure
@@ -15590,7 +15590,7 @@
test "$srcdir" = . || as_fn_error $? "Rebuilding po files is not supported for out of tree builds." "$LINENO" 5
wine_fn_append_rule ALL_MAKEFILE_DEPENDS "ALL_POT_FILES =$ALL_POT_FILES
\$(LINGUAS:%=po/%.po): \$(srcdir)/po/wine.pot
- msgmerge -q \$@ \$(srcdir)/po/wine.pot | msgattrib --no-obsolete -o \$@.new && mv \$@.new \$@
+ msgmerge --previous -q \$@ \$(srcdir)/po/wine.pot | msgattrib --no-obsolete -o \$@.new && mv \$@.new \$@
\$(srcdir)/po/wine.pot: \$(ALL_POT_FILES)
msgcat -o \$@ \$(ALL_POT_FILES)"
fi
diff --git a/configure.ac b/configure.ac
index 3fd320e..27db29c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3107,7 +3107,7 @@
WINE_APPEND_RULE([ALL_MAKEFILE_DEPENDS],
[ALL_POT_FILES =$ALL_POT_FILES
\$(LINGUAS:%=po/%.po): \$(srcdir)/po/wine.pot
- msgmerge -q \$[@] \$(srcdir)/po/wine.pot | msgattrib --no-obsolete -o \$[@].new && mv \$[@].new \$[@]
+ msgmerge --previous -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
