ntdll: add a warning about running wine as root

[Austin English]

Been seeing it quite a bit recently in the forums. While the patches
to break using sudo/su have helped a bit, seems some users are
convinced they need to run wine as root. This adds a non fatal
message, so no functionality is lost for those that _do_ need to run
as root.

-- 
-Austin
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diff --git a/dlls/ntdll/server.c b/dlls/ntdll/server.c
index 145540f..15a91fc 100644
--- a/dlls/ntdll/server.c
+++ b/dlls/ntdll/server.c
@@ -832,6 +832,12 @@ static int server_connect(void)
         if (chdir( serverdir ) == -1) fatal_perror( "chdir to %s", serverdir );
     }
 
+    /* warn about running Wine as root */
+    if (geteuid() == 0)
+    {
+        MESSAGE("You're running Wine as root. This is NOT recommended unless you absolutely need it!\n");
+    }
+
     /* make sure we are at the right place */
     if (stat( ".", &st ) == -1) fatal_perror( "stat %s", serverdir );
     if (st.st_uid != getuid()) fatal_error( "'%s' is not owned by you\n", serverdir );