Update .gitlab-ci.yml

1 job for gitlab-ci in 26 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
failed #20
alpine docker
build

00:00:26

 
Name Stage Failure
failed
build Build There is an unknown failure, please try again
#define PACKAGE_BUGREPORT "icecast@xiph.org"
#define PACKAGE_URL ""
#define PACKAGE "icecast"
#define VERSION "2.4.99.2"

configure: exit 77
$ make
/bin/sh: eval: line 60: make: not found
ERROR: Job failed: exit code 127