Modules/attr.c compile error on Mac OS X

[Taro M <taromeister@xxxxxxxxx>]

The new Modules/attr.c does not compile on Mac OS X (and probably others):

gcc -c -I.  -DHAVE_CONFIG_H -DMODULE -Wall -Wmissing-prototypes -O2 -fno-common -o attr..o attr.c

attr.c: In function 'bin_getattr':

attr.c:45: error: too few arguments to function 'listxattr'

attr.c:46: error: too few arguments to function 'getxattr'

attr.c: In function 'bin_setattr':

attr.c:70: error: too few arguments to function 'setxattr'

attr.c: In function 'bin_delattr':

attr.c:84: error: too few arguments to function 'removexattr'

attr.c: In function 'bin_listattr':

attr.c:99: error: too few arguments to function 'listxattr'