modemmanager: fix unquoted strings when launching pppd

Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
(cherry picked from commit eb283ea8a3d0ff573b04242b045934541a460f06)

diff --git a/net/modemmanager/files/modemmanager.proto b/net/modemmanager/files/modemmanager.proto
index 855060f06e1cf1e86bb8b12d9a4dbb1ad3ca6a7b..e6ec9e2030d71ce2683b6a01469ef59678940a8c 100755 (executable)
--- a/net/modemmanager/files/modemmanager.proto
+++ b/net/modemmanager/files/modemmanager.proto
@@ -156,8 +156,8 @@ modemmanager_connected_method_ppp_ipv4() {
                novj \
                noauth \
                $authopts \
-               ${username:+ user $username} \
-               ${password:+ password $password} \
+               ${username:+ user "$username"} \
+               ${password:+ password "$password"} \
                lcp-echo-failure 5 \
                lcp-echo-interval 15 \
                lock \