misc: Fix case Qemu -> QEMU

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/tests/i440fx-test.c b/tests/i440fx-test.c
index fa3e3d6..bcd2181 100644
--- a/tests/i440fx-test.c
+++ b/tests/i440fx-test.c
@@ -350,7 +350,7 @@
     qtest_start(cmdline);
     g_free(cmdline);
 
-    /* Qemu has loaded the firmware (because qtest_start() only returns after
+    /* QEMU has loaded the firmware (because qtest_start() only returns after
      * the QMP handshake completes). We must unlink the firmware blob right
      * here, because any assertion firing below would leak it in the
      * filesystem. This is also the reason why we recreate the blob every time