cast argument to tolower to unsigned char,
from Christian Biere <christianbiere@gmx.de> via NetBSD git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@12008 ec53bebd-3082-4978-b11e-865c3cabbd6b
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		@@ -47,7 +47,7 @@ strlwr(char *str)
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  char *s;
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					  char *s;
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  for(s = str; *s; s++)
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					  for(s = str; *s; s++)
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    *s = tolower(*s);
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					    *s = tolower((unsigned char)*s);
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  return str;
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					  return str;
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}
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					}
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#endif
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					#endif
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