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diff --git a/server/util.c b/server/util.c
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index eefdafa..45051b7 100644
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--- a/server/util.c
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+++ b/server/util.c
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@@ -186,7 +186,7 @@ AP_DECLARE(char *) ap_ht_time(apr_pool_t *p, apr_time_t t, const char *fmt,
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  */
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 AP_DECLARE(int) ap_strcmp_match(const char *str, const char *expected)
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 {
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-    int x, y;
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+    apr_size_t x, y;
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     for (x = 0, y = 0; expected[y]; ++y, ++x) {
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         if ((!str[x]) && (expected[y] != '*'))
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@@ -210,7 +210,7 @@ AP_DECLARE(int) ap_strcmp_match(const char *str, const char *expected)
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 AP_DECLARE(int) ap_strcasecmp_match(const char *str, const char *expected)
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 {
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-    int x, y;
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+    apr_size_t x, y;
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     for (x = 0, y = 0; expected[y]; ++y, ++x) {
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         if (!str[x] && expected[y] != '*')