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diff --git a/docs/conf/magic b/docs/conf/magic
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index 7c56119..bc891d9 100644
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--- a/docs/conf/magic
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+++ b/docs/conf/magic
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@@ -87,7 +87,7 @@
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 # Microsoft WAVE format (*.wav)
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 # [GRR 950115:  probably all of the shorts and longs should be leshort/lelong]
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 #					Microsoft RIFF
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-0	string		RIFF		audio/unknown
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+0	string		RIFF		
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 #					- WAVE format
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 >8	string		WAVE		audio/x-wav
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 # MPEG audio.
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--- a/modules/metadata/mod_mime_magic.c	2013/06/11 07:36:13	1491699
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+++ b/modules/metadata/mod_mime_magic.c	2013/06/11 07:41:40	1491700
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@@ -606,7 +606,7 @@
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     /* high overhead for 1 char - just hope they don't do this much */
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     str[0] = c;
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     str[1] = '\0';
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-    return magic_rsl_add(r, str);
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+    return magic_rsl_add(r, apr_pstrdup(r->pool, str));
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 }
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 /* allocate and copy a contiguous string from a result string list */