Uninitialized http header

[MCausc78]

Describe the bug

<title>

Reproduction Steps

import net.http

fn main() {
    mut r := http.new_request(.get, '', '')
    r.header.set(.authorization, 'foo')
    r.header.delete(.authorization)
}

Expected Behavior

Successful execution and empty output

Current Behavior

PS D:\Games\Proekti\V\interactions> v run test.v
V panic: string.eq(): nil string
v hash: 64e8139
C:/Users/mclr/AppData/Local/Temp/v_0/test.2441856544024933291.tmp.c:11881: at _v_panic: Backtrace
C:/Users/mclr/AppData/Local/Temp/v_0/test.2441856544024933291.tmp.c:15170: by string__eq
C:/Users/mclr/AppData/Local/Temp/v_0/test.2441856544024933291.tmp.c:32090: by net__http__Header_delete_custom
C:/Users/mclr/AppData/Local/Temp/v_0/test.2441856544024933291.tmp.c:32084: by net__http__Header_delete
C:/Users/mclr/AppData/Local/Temp/v_0/test.2441856544024933291.tmp.c:34506: by main__main
C:/Users/mclr/AppData/Local/Temp/v_0/test.2441856544024933291.tmp.c:34851: by wmain
00784ce0 : by ???
00784e43 : by ???

Possible Solution

header: Header{}

Additional Information/Context

No response

V version

V 0.4.3 64e8139

Environment details (OS name and version, etc.)

V full version: V 0.4.3 140c838.64e8139
OS: windows, Microsoft Windows 11 Pro v22000 64-bit
Processor: 12 cpus, 64bit, little endian, 

getwd: D:\Games\Proekti\V\interactions
vexe: D:\Games\Proekti\V\v\v.exe
vexe mtime: 2023-12-07 20:59:07

vroot: OK, value: D:\Games\Proekti\V\v
VMODULES: OK, value: C:\Users\mclr\.vmodules
VTMP: OK, value: C:\Users\mclr\AppData\Local\Temp\v_0

Git version: git version 2.37.0.windows.1
Git vroot status: weekly.2023.45.1-224-g64e8139d
.git/config present: true

CC version:
thirdparty/tcc status: thirdparty-windows-amd64 e90c2620

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