Revert that last stupid setuid detection fix.

common/ChangeLog

@@ -1,8 +1,3 @@
-2008-07-17  Werner Koch  <wk@g10code.com>
-
-	* exechelp.c (gnupg_spawn_process_detached): Do not run the setuid
-	test for root.
-
 2008-06-26  Werner Koch  <wk@g10code.com>
 
 	* estream.c (es_write_sanitized): Loose check for control

common/exechelp.c

@@ -826,7 +826,7 @@ gnupg_spawn_process_detached (const char *pgmname, const char *argv[],
   pid_t pid;
   int i;
 
-  if (getuid() && getuid() != geteuid())
+  if (getuid() != geteuid())
     return gpg_error (GPG_ERR_BUG);
 
   if (access (pgmname, X_OK))