util: process: Don't report OOM errors in helper

virProcessTranslateStatus is used on error paths that should not spoil
the returned error. As the errors are ignored, use the quiet versions of
virAsprintf to create the message.

src/util/virprocess.c

@@ -73,13 +73,13 @@ virProcessTranslateStatus(int status)
 {
     char *buf;
     if (WIFEXITED(status)) {
-        ignore_value(virAsprintf(&buf, _("exit status %d"),
-                                 WEXITSTATUS(status)));
+        ignore_value(virAsprintfQuiet(&buf, _("exit status %d"),
+                                      WEXITSTATUS(status)));
     } else if (WIFSIGNALED(status)) {
-        ignore_value(virAsprintf(&buf, _("fatal signal %d"),
-                                 WTERMSIG(status)));
+        ignore_value(virAsprintfQuiet(&buf, _("fatal signal %d"),
+                                      WTERMSIG(status)));
     } else {
-        ignore_value(virAsprintf(&buf, _("invalid value %d"), status));
+        ignore_value(virAsprintfQuiet(&buf, _("invalid value %d"), status));
     }
     return buf;
 }