glibc: it seems gawk is needed as build dep.

--HG--
extra : convert_revision : 691d2ebc7a58bf9e2a2732115ce17e71b7c311c7

templates/glibc/template

@@ -25,7 +25,7 @@ long_desc="
 conf_files="/etc/localtime /etc/ld.so.cache /etc/ld.so.conf /etc/rpc
  /etc/nsswitch.conf"
 base_chroot=yes
-build_depends="gcc-4.3.2"
+build_depends="gcc-4.3.2 gawk-3.1.6"
 run_depends="xbps-base-dirs-0.1"
 
 pre_configure()