Improve <sys/xattr.h> coverage.

Also fix a comment copy & paste mistake and some formatting.

Test: treehugger
Change-Id: I0af3ab2eb4f180f86b0ab7d2af260f0f30692fdd
diff --git a/libc/bionic/fgetxattr.cpp b/libc/bionic/fgetxattr.cpp
index c753235..136d41f 100644
--- a/libc/bionic/fgetxattr.cpp
+++ b/libc/bionic/fgetxattr.cpp
@@ -37,7 +37,7 @@
 
 extern "C" ssize_t __fgetxattr(int, const char*, void*, size_t);
 
-ssize_t fgetxattr(int fd, const char *name, void *value, size_t size) {
+ssize_t fgetxattr(int fd, const char* name, void* value, size_t size) {
   int saved_errno = errno;
   ssize_t result = __fgetxattr(fd, name, value, size);
 
diff --git a/libc/bionic/flistxattr.cpp b/libc/bionic/flistxattr.cpp
index 3bad383..e42419f 100644
--- a/libc/bionic/flistxattr.cpp
+++ b/libc/bionic/flistxattr.cpp
@@ -37,7 +37,7 @@
 
 extern "C" ssize_t __flistxattr(int, char*, size_t);
 
-ssize_t flistxattr(int fd, char *list, size_t size) {
+ssize_t flistxattr(int fd, char* list, size_t size) {
   int saved_errno = errno;
   ssize_t result = __flistxattr(fd, list, size);
   if (result != -1 || errno != EBADF) {
@@ -45,7 +45,7 @@
   }
 
   // fd could be an O_PATH file descriptor, and the kernel
-  // may not directly support fgetxattr() on such a file descriptor.
+  // may not directly support flistxattr() on such a file descriptor.
   // Use /proc/self/fd instead to emulate this support.
   int fd_flag = fcntl(fd, F_GETFL);
   if (fd_flag == -1 || (fd_flag & O_PATH) == 0) {