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嗨，我得到下面的错误时，编译我的内核

/drivers/kernelsu/core_hook.c: In function ‘setup_groups’:
../drivers/kernelsu/core_hook.c:70:18: error: redeclaration of ‘i’ with no linkage
   70 |         for (int i = 0; i < ngroups; i++) {
      |                  ^
../drivers/kernelsu/core_hook.c:69:9: note: previous declaration of ‘i’ with type ‘int’
   69 |     int i;
      |         ^
../drivers/kernelsu/core_hook.c:70:9: error: ‘for’ loop initial declarations are only allowed in C99 or C11 mode
   70 |         for (int i = 0; i < ngroups; i++) {
      |         ^~~
../drivers/kernelsu/core_hook.c:70:9: note: use option ‘-std=c99’, ‘-std=gnu99’, ‘-std=c11’ or ‘-std=gnu11’ to compile your code

这是我得到错误的代码

for (int i = 0; i < ngroups; i++) {
        gid_t gid = profile->groups[i];

请提供解决方案