[network-manager-openvpn] build: fix pkg-config call for NM_VPN_SERVICE_DIR

[Thomas Haller <thaller src gnome org>]

commit 0c9c3ef70a64b074f0d5e5a563511320f9c446e7
Author: Thomas Haller <thaller redhat com>
Date:   Tue May 10 13:43:11 2016 +0200

    build: fix pkg-config call for NM_VPN_SERVICE_DIR
    
    Fixes: 0bea0dfcec4faa1e7d28be37067efa7d6095bf67

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ba8dc2b..1e46e9b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -105,7 +105,7 @@ PKG_CHECK_MODULES(LIBNM, libnm >= 1.2.0)
 LIBNM_CFLAGS="$LIBNM_CFLAGS -DNM_VERSION_MIN_REQUIRED=NM_VERSION_1_2"
 LIBNM_CFLAGS="$LIBNM_CFLAGS -DNM_VERSION_MAX_ALLOWED=NM_VERSION_1_2"
 
-NM_VPN_SERVICE_DIR=`$PKG_CONFIG pkg-config --define-variable prefix='\${prefix}' --variable vpnservicedir 
libnm`
+NM_VPN_SERVICE_DIR=`$PKG_CONFIG --define-variable prefix='\${prefix}' --variable vpnservicedir libnm`
 AC_SUBST(NM_VPN_SERVICE_DIR)
 
 NM_COMPILER_WARNINGS