bug#40758: build failure: gcc-4.8.5 (gcc-toolchain-4.8.5)

[Christopher Howard]

I am not having a problem with this on my current computer system, so I am 
closing this old bug.

Here is my system information:

```
christopher@theoden 
------------------- 
OS: Guix System x86_64 
Host: OptiPlex 9020 00 
Kernel: 5.15.167-gnu 
Uptime: 24 days, 4 hours, 3 mins 
Packages: 167 (guix-system), 251 (guix-user) 
Shell: bash 5.1.16 
Resolution: 1920x1080 
DE: GNOME 
Theme: Adwaita [GTK2/3] 
Icons: Adwaita [GTK2/3] 
Terminal: launch-local-em 
CPU: Intel i5-4570 (4) @ 3.600GHz 
GPU: AMD ATI Radeon HD 8490 / R5 235X OEM 
GPU: Intel HD Graphics 
Memory: 4264MiB / 15914MiB 
```

-- 
Christopher Howard