[libxml2] Don't ignore xmllint options after "-"

[Nick Wellnhofer <nwellnhof src gnome org>]

commit d12be00da8b67bea013524cabad82cee62423a1a
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Fri Feb 4 14:13:59 2022 +0100

    Don't ignore xmllint options after "-"
    
    There's no reason to ignore options after "-". This was probably
    confused with the "--" mechanism which xmllint doesn't implement.
    
    Fixes #290.

 xmllint.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
---
diff --git a/xmllint.c b/xmllint.c
index 24768bc9..4d541d9b 100644
--- a/xmllint.c
+++ b/xmllint.c
@@ -3181,8 +3181,6 @@ main(int argc, char **argv) {
 
     /* xmlMemSetup must be called before initializing the parser. */
     for (i = 1; i < argc ; i++) {
-       if (!strcmp(argv[i], "-"))
-           break;
        if (argv[i][0] != '-')
            continue;
 
@@ -3200,11 +3198,9 @@ main(int argc, char **argv) {
     LIBXML_TEST_VERSION
 
     for (i = 1; i < argc ; i++) {
-       if (!strcmp(argv[i], "-"))
-           break;
-
        if (argv[i][0] != '-')
            continue;
+
        if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug")))
            debug++;
        else