[gdk-pixbuf] Make configure check for awk

[Matthias Clasen <matthiasc src gnome org>]

commit 1de2976e6e2a3d9e79ab0418e6fb8aeb82bbfbfd
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Dec 19 14:54:52 2013 -0500

    Make configure check for awk
    
    awk is needed for the automake tap driver.

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a192aa1..5470084 100644
--- a/configure.ac
+++ b/configure.ac
@@ -91,6 +91,7 @@ AC_PROG_CC_C_O
 AC_PROG_CC_STDC
 AC_PROG_INSTALL
 AC_PROG_MAKE_SET
+AC_PROG_AWK
 PKG_PROG_PKG_CONFIG
 
 AC_CANONICAL_HOST