Fix typo in Read, Write and Peek functions signatures

posix/File.c

@@ -131,7 +131,7 @@ void CgeFileFree(CgeFile *file) {
     free(file);
 }
 
-int CgeFileRead(CgeFile *file, char *buffer, size_t size, size_t *actual) {
+int CgeFileRead(CgeFile *file, void *buffer, size_t size, size_t *actual) {
     ssize_t readed;
 
     if (file->flags & CGE_FILE_ERROR)
@@ -153,7 +153,7 @@ error:
     return 0;
 }
 
-int CgeFileWrite(CgeFile *file, const char *buffer, size_t size,
+int CgeFileWrite(CgeFile *file, const void *buffer, size_t size,
                  size_t *actual) {
     ssize_t written;