va: don't leak driver names, when override is set

Fixes: 4f5a434 ("va: add vaGetDriverNames() internal ABI")
Signed-off-by: Emil Velikov <[email protected]>

Author: evelikov-work

va/va.c

@@ -698,6 +698,9 @@ static VAStatus va_new_opendriver(VADisplay dpy)
         const char *driver = ctx->override_driver_name ?
                              ctx->override_driver_name : driver_name_env;
 
+        for (unsigned int i = 0; i < num_drivers; i++)
+            free(drivers[i]);
+
         drivers[0] = strdup(driver);
         num_drivers = 1;