Make spice dummy functions inline to fix calls not checking return values

qemu_spice_set_passwd() and qemu_spice_set_pw_expire() dummy functions
needs to be inline, in order to handle the case where they are called
without checking the return value.
Signed-off-by: NJes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>

ui/qemu-spice.h

@@ -47,8 +47,16 @@ CharDriverState *qemu_chr_open_spice(QemuOpts *opts);
 #else  /* CONFIG_SPICE */
 
 #define using_spice 0
-#define qemu_spice_set_passwd(_p, _f1, _f2) (-1)
-#define qemu_spice_set_pw_expire(_e) (-1)
+static inline int qemu_spice_set_passwd(const char *passwd,
+                                        bool fail_if_connected,
+                                        bool disconnect_if_connected)
+{
+    return -1;
+}
+static inline int qemu_spice_set_pw_expire(time_t expires)
+{
+    return -1;
+}
 static inline int qemu_spice_migrate_info(const char *h, int p, int t, const char *s)
 { return -1; }