metadata.pl: fix a bug where dependency flags (@ and +) from a dependency were inherited by others

SVN-Revision: 17840

scripts/metadata.pl

@@ -415,8 +415,8 @@ sub mconf_depends {
 	my @depends = @$depends;
 	foreach my $depend (@depends) {
 		my $m = "depends";
-		$depend =~ s/^([@\+]+)//;
-		my $flags = $1;
+		my $flags = "";
+		$depend =~ s/^([@\+]+)// and $flags = $1;
 		my $vdep;
 		my $condition = $parent_condition;