[gnome-system-monitor] Really rename the wnck option to broken-wnck.

[Benoît Dejean <bdejean src gnome org>]

commit 779e16d8d79ee40cfa0b37421491db59f1a54b04
Author: Benoît Dejean <bdejean gmail com>
Date:   Fri Mar 10 12:46:46 2017 +0100

    Really rename the wnck option to broken-wnck.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e1cc971..e8758e8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -64,7 +64,7 @@ PKG_CHECK_MODULES(GSM_LEGACY,
 AC_PATH_PROG(APPDATA_VALIDATE, appdata-validate)
 AC_PATH_PROG(DESKTOP_FILE_VALIDATE, desktop-file-validate)
 
-AC_ARG_ENABLE(wnck, AS_HELP_STRING([--enable-broken-wnck], [enable wnck support, this will likely make 
system-monitor segfault]),enable_wnck="$enableval",enable_wnck=no)
+AC_ARG_ENABLE(broken-wnck, AS_HELP_STRING([--enable-broken-wnck], [enable wnck support, this will likely 
make system-monitor segfault]),enable_wnck="$enableval",enable_wnck=no)
 if test "x$enable_wnck" != "xno"; then
         PKG_CHECK_MODULES(WNCK, libwnck-3.0 >= $LIBWNCK_REQUIRED gdk-x11-3.0)
         AC_DEFINE(HAVE_WNCK, 1, [Define if libwnck is available])