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xfree86: common: xf86Option: fix char signess mismatch 

On NetBSD gives warning:

In file included from /usr/include/ctype.h:100,
                 from ../hw/xfree86/common/xf86Option.c:39:
../hw/xfree86/common/xf86Option.c: In function ‘xf86NormalizeName’:
../hw/xfree86/common/xf86Option.c:915:25: warning: array subscript has type ‘char’ [-Wchar-subscripts]
  915 |             if (isupper(*p))
      |                         ^
../hw/xfree86/common/xf86Option.c:916:32: warning: array subscript has type ‘char’ [-Wchar-subscripts]
  916 |                 *q++ = tolower(*p);
      |                                ^

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1455>
This commit is contained in:
Enrico Weigelt, metux IT consult 2024-04-02 17:11:48 +02:00 committed by Povilas Kanapickas
parent 99017bf948
commit 1f861bbb9d
1 changed files with 2 additions and 2 deletions
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4
hw/xfree86/common/xf86Option.c
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@ -912,8 +912,8 @@ xf86NormalizeName(const char *s)
case '\t':
continue;
default:
if (isupper(*p))
*q++ = tolower(*p);
if (isupper((unsigned char)*p))
*q++ = tolower((unsigned char)*p);
else
*q++ = *p;
}