Fix APKBUILD: use direct srcdir path in build function

packaging/alpine/APKBUILD

@@ -14,12 +14,12 @@ source="$pkgname-$pkgver.tar.gz::https://g.eliaskohout.de/eliaskohout/axolotl/ar
 export GOTOOLCHAIN=auto
 
 build() {
-	cd "$srcdir/src"
+	cd "$srcdir/$pkgname-$pkgver/src"
 	go build -ldflags="-s -w" -trimpath -o "$pkgname" .
 }
 
 package() {
-	install -Dm755 "$srcdir/src/$pkgname" "$pkgdir/usr/bin/$pkgname"
+	install -Dm755 "$srcdir/$pkgname-$pkgver/src/$pkgname" "$pkgdir/usr/bin/$pkgname"
 	
 	ln -s "$pkgname" "$pkgdir/usr/bin/ax"
 }