Blame SOURCES/ruby-2.6.9-Do-not-use-C99.patch

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diff --git a/hash.c b/hash.c
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index 38440f4b96..b4b077fada 100644
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--- a/hash.c
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+++ b/hash.c
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@@ -5656,9 +5656,10 @@ static void
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 keylist_delete(VALUE keys, VALUE key)
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 {
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     long keylen, elen;
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+    long i;
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     const char *keyptr, *eptr;
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     RSTRING_GETMEM(key, keyptr, keylen);
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-    for (long i=0; i
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+    for (i=0; i
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         VALUE e = RARRAY_AREF(keys, i);
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         RSTRING_GETMEM(e, eptr, elen);
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         if (elen != keylen) continue;