CLN: try to make cpplint happy

more specifically:
- only include sys/stat.h once
- keep lines shorter than 80 characters

Author: dgwynne

pandas/_libs/src/parser/io.c

@@ -173,7 +173,6 @@ void *buffer_rd_bytes(void *source, size_t nbytes, size_t *bytes_read,
 #ifdef HAVE_MMAP
 
 #include <sys/mman.h>
-#include <sys/stat.h>
 
 void *new_mmap(char *fname) {
     memory_map *mm;
@@ -187,12 +186,14 @@ void *new_mmap(char *fname) {
     }
     mm->fd = open(fname, O_RDONLY);
     if (mm->fd == -1) {
-        fprintf(stderr, "new_file_buffer: open(%s) failed. errno =%d\n", fname, errno);
+        fprintf(stderr, "new_file_buffer: open(%s) failed. errno =%d\n",
+          fname, errno);
         goto err_free;
     }
 
     if (fstat(mm->fd, &stat) == -1) {
-        fprintf(stderr, "new_file_buffer: fstat() failed. errno =%d\n", errno);
+        fprintf(stderr, "new_file_buffer: fstat() failed. errno =%d\n",
+          errno);
         goto err_close;
     }
     filesize = stat.st_size; /* XXX This might be 32 bits. */