fix d3d11 renderer not working properly when first joining a server.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4731 fc73d0e0-1445-4013-8a0c-d673dee63da5

engine/gl/gl_shadow.c

@@ -3329,7 +3329,10 @@ void Sh_CheckSettings(void)
 	case QR_DIRECT3D11:
 		canshadowless = true;	//all feature levels
 		if (D3D11_BeginShadowMap(0, SHADOWMAP_SIZE*3, SHADOWMAP_SIZE*2))
+		{
+			D3D11_EndShadowMap();
 			cansmap = true;		//tends to not work properly until feature level 10 for one error or another.
+		}
 		break;
 #endif
 	default: