vulkan build fix

src/gpu/vulkan/SDL_gpu_vulkan.c

@@ -10865,7 +10865,7 @@ static inline Uint8 CheckDeviceExtensions(
         supports->ext = 1;                   \
     }
         CHECK(KHR_swapchain)
-        else CHECK(KHR_maintenance1) else CHECK(KHR_driver_properties) CHECK(KHR_portability_subset) else CHECK(EXT_texture_compression_astc_hdr)
+        else CHECK(KHR_maintenance1) else CHECK(KHR_driver_properties) else CHECK(KHR_portability_subset) else CHECK(EXT_texture_compression_astc_hdr)
 #undef CHECK
     }