[glib: 1/7] Fix signedness warnings in gio/gcredentials.c

[Philip Withnall <pwithnall src gnome org>]

commit 6e3d30a105b88558e748f9177d8d7f254c02a39d
Author: Emmanuel Fleury <emmanuel fleury gmail com>
Date:   Mon Nov 16 23:44:10 2020 +0100

    Fix signedness warnings in gio/gcredentials.c
    
    gio/gcredentials.c: In function ‘linux_ucred_check_valid’:
    gio/gcredentials.c:317:22: error: comparison of integer expressions of different signedness: ‘uid_t’ {aka 
‘unsigned int’} and ‘int’
      317 |       || native->uid == -1
          |                      ^~
    gio/gcredentials.c:318:22: error: comparison of integer expressions of different signedness: ‘gid_t’ {aka 
‘unsigned int’} and ‘int’
      318 |       || native->gid == -1)
          |                      ^~
    
    gio/gcredentials.c: In function ‘g_credentials_set_unix_user’:
    gio/gcredentials.c:639:29: error: comparison of integer expressions of different signedness: ‘uid_t’ {aka 
‘unsigned int’} and ‘int’
      639 |   g_return_val_if_fail (uid != -1, FALSE);
          |                             ^~

 gio/gcredentials.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gio/gcredentials.c b/gio/gcredentials.c
index c5d3d46ac..ebbc2cc5b 100644
--- a/gio/gcredentials.c
+++ b/gio/gcredentials.c
@@ -314,8 +314,8 @@ linux_ucred_check_valid (struct ucred  *native,
                          GError       **error)
 {
   if (native->pid == 0
-      || native->uid == -1
-      || native->gid == -1)
+      || native->uid == (uid_t) -1
+      || native->gid == (gid_t) -1)
     {
       g_set_error_literal (error,
                            G_IO_ERROR,
@@ -636,7 +636,7 @@ g_credentials_set_unix_user (GCredentials    *credentials,
   gboolean ret = FALSE;
 
   g_return_val_if_fail (G_IS_CREDENTIALS (credentials), FALSE);
-  g_return_val_if_fail (uid != -1, FALSE);
+  g_return_val_if_fail (uid != (uid_t) -1, FALSE);
   g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
 
 #if G_CREDENTIALS_USE_LINUX_UCRED