Fix building on x86 when older linux headers lack __NR_fallocate define.

URL: http://bugs.gentoo.org/274269
Reported-by: Mikael Magnusson <mikachu@gmail.com>

2009-11-09  Mike Frysinger  <vapier@gentoo.org>

	* sysdeps/unix/sysv/linux/i386/fallocate.c (fallocate): Call
	internal_fallocate if __NR_fallocate is not defined.
	* sysdeps/unix/sysv/linux/i386/fallocate64.c (fallocate): Call
	internal_fallocate64 if __NR_fallocate is not defined.

diff --git a/sysdeps/unix/sysv/linux/i386/fallocate.c b/sysdeps/unix/sysv/linux/i386/fallocate.c
index 7a943e4..36dfe59 100644
--- a/sysdeps/unix/sysv/linux/i386/fallocate.c
+++ b/sysdeps/unix/sysv/linux/i386/fallocate.c
@@ -28,5 +28,9 @@ extern int __call_fallocate (int fd, int mode, __off64_t offset, __off64_t len)
 int
 fallocate (int fd, int mode, __off_t offset, __off_t len)
 {
+#ifdef __NR_fallocate
   return __call_fallocate (fd, mode, offset, len);
+#else
+  return internal_fallocate (fd, offset, len);
+#endif
 }
diff --git a/sysdeps/unix/sysv/linux/i386/fallocate64.c b/sysdeps/unix/sysv/linux/i386/fallocate64.c
index 4998f5e..4da583b 100644
--- a/sysdeps/unix/sysv/linux/i386/fallocate64.c
+++ b/sysdeps/unix/sysv/linux/i386/fallocate64.c
@@ -28,5 +28,9 @@ extern int __call_fallocate (int fd, int mode, __off64_t offset, __off64_t len)
 int
 fallocate64 (int fd, int mode, __off64_t offset, __off64_t len)
 {
+#ifdef __NR_fallocate
   return __call_fallocate (fd, mode, offset, len);
+#else
+  return internal_fallocate64 (fd, offset, len);
+#endif
 }