[gvfs] build: Check for util.h to prevent implicit declaration

[Tomas Bzatek <tbzatek src gnome org>]

commit ac597c44a52a5fc4c3e20ee75e7d82f691722feb
Author: Antoine Jacoutot <ajacoutot openbsd org>
Date:   Wed Jan 18 17:19:34 2012 +0100

    build: Check for util.h to prevent implicit declaration
    
    https://bugzilla.gnome.org/show_bug.cgi?id=652623
    
    Signed-off-by: Tomas Bzatek <tbzatek redhat com>

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 0978a07..99affd3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -100,7 +100,7 @@ dnl ****************************
 dnl *** Checks for pty stuff ***
 dnl ****************************
 
-AC_CHECK_HEADERS(sys/un.h stropts.h termios.h utmp.h sys/uio.h sys/param.h)
+AC_CHECK_HEADERS(sys/un.h stropts.h termios.h util.h utmp.h sys/uio.h sys/param.h)
 
 # Check for PTY handling functions.
 AC_CHECK_FUNCS(getpt posix_openpt grantpt unlockpt ptsname ptsname_r)