Make ls pass the GNU ls-misc.pl suite

src/uu/ls/locales/en-US.ftl

@@ -123,6 +123,8 @@ ls-invalid-quoting-style = {$program}: Ignoring invalid value of environment var
 ls-invalid-columns-width = ignoring invalid width in environment variable COLUMNS: {$width}
 ls-invalid-ignore-pattern = Invalid pattern for ignore: {$pattern}
 ls-invalid-hide-pattern = Invalid pattern for hide: {$pattern}
+ls-warning-unrecognized-ls-colors-prefix = unrecognized prefix: {$prefix}
+ls-warning-unparsable-ls-colors = unparsable value for LS_COLORS environment variable
 ls-total = total {$size}
 
 # Security context warnings

src/uu/ls/locales/fr-FR.ftl

@@ -123,4 +123,6 @@ ls-invalid-quoting-style = {$program} : Ignorer la valeur invalide de la variabl
 ls-invalid-columns-width = ignorer la largeur invalide dans la variable d'environnement COLUMNS : {$width}
 ls-invalid-ignore-pattern = Motif invalide pour ignore : {$pattern}
 ls-invalid-hide-pattern = Motif invalide pour hide : {$pattern}
+ls-warning-unrecognized-ls-colors-prefix = préfixe non reconnu : {$prefix}
+ls-warning-unparsable-ls-colors = valeur illisible pour la variable d'environnement LS_COLORS
 ls-total = total {$size}