[network-manager-applet] build: fix typo in configure.ac

[Beniamino Galvani <bgalvani src gnome org>]

commit 43fc0fa073c540ac2d9635bc1fdaf4c81e499aed
Author: Beniamino Galvani <bgalvani redhat com>
Date:   Wed Feb 6 22:27:17 2019 +0100

    build: fix typo in configure.ac

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index 25433a09..7c5df1b2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -137,7 +137,7 @@ if test "$with_libnm_gtk" == yes; then
                         :,
                         [AC_MSG_FAILURE([$LIBNM_GLIB_PKG_ERRORS
 
-Configure withhout --with-libnm-gtk if you do not need the legacy library])])
+Configure without --with-libnm-gtk if you do not need the legacy library])])
        LIBNM_GLIB_CFLAGS="$LIBNM_GLIB_CFLAGS -DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_38"
        LIBNM_GLIB_CFLAGS="$LIBNM_GLIB_CFLAGS -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_38"
        LIBNM_GLIB_CFLAGS="$LIBNM_GLIB_CFLAGS -DNM_VERSION_MIN_REQUIRED=NM_VERSION_1_4"