[PATCH/resend] Document awk requirements

[Luca Tettamanti <kronos.it@gmail.com>]

Gnu awk is required for generating generating
arch/x86/lib/inat-tables.c:

 GEN     arch/x86/lib/inat-tables.c
 Error: Your awk doesn't support charactor-class.

mawk doesn't work anymore.

Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
---
Hum, who is in charge of the documentation?
Masami can you push it?

 Documentation/Changes |    1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/Changes b/Documentation/Changes
index f08b313..abec6f2 100644
--- a/Documentation/Changes
+++ b/Documentation/Changes
@@ -50,6 +50,7 @@ o  udev                   081                     # udevinfo -V
 o  grub                   0.93                    # grub --version
 o  mcelog		  0.6
 o  iptables               1.4.1                   # iptables -V
+o  Gnu awk                3.1.5                   # awk --version
 
 
 Kernel compilation