[gdm] gdm-{wayland, x}-session: fix empty string check on import environment

[Ray Strode <halfline src gnome org>]

commit 5658fda3958c76a0cbbba2c8fdd0eec929f5aea7
Author: Ray Strode <rstrode redhat com>
Date:   Thu Aug 25 14:40:58 2016 -0400

    gdm-{wayland,x}-session: fix empty string check on import environment
    
    We were doing an empty string check incorrectly.
    
    This commit fixes that.

 daemon/gdm-wayland-session.c |    2 +-
 daemon/gdm-x-session.c       |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/daemon/gdm-wayland-session.c b/daemon/gdm-wayland-session.c
index 8b0e56a..efdb34e 100644
--- a/daemon/gdm-wayland-session.c
+++ b/daemon/gdm-wayland-session.c
@@ -301,7 +301,7 @@ spawn_session (State        *state,
                 for (i = 0; state->environment[i] != NULL; i++) {
                         g_auto(GStrv) environment_entry = NULL;
 
-                        if (state->environment[i] == '\0') {
+                        if (state->environment[i][0] == '\0') {
                                 continue;
                         }
 
diff --git a/daemon/gdm-x-session.c b/daemon/gdm-x-session.c
index d835b34..b919e6e 100644
--- a/daemon/gdm-x-session.c
+++ b/daemon/gdm-x-session.c
@@ -619,7 +619,7 @@ spawn_session (State        *state,
                 for (i = 0; state->environment[i] != NULL; i++) {
                         g_auto(GStrv) environment_entry = NULL;
 
-                        if (state->environment[i] == '\0') {
+                        if (state->environment[i][0] == '\0') {
                                 continue;
                         }