build/meson: rename "nm_core_dep" to "libnm_core_dep"

The library is called "libnm_core". So the dependency should be called
"libnm_core_dep", like in all other cases.
6 jobs for <span class="ref-name">th/shared-library-refactoring</span> in 29 minutes and 42 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #246779
build_f28

00:19:16

passed #246780
build_f29

00:29:42

failed #246781
build_f30

00:00:23

failed #246782
allowed to fail
build_frawhide

00:20:11

passed #246778
allowed to fail
checkpatch

00:00:56

 
  External
canceled NetworkManager test verification

04:34:57

 
Name Stage Failure
failed
build_frawhide Test
UUID=3b2ee35f-204d-41d1-9595-0a9f411c310a
BASEDIR=/builds/NetworkManager/NetworkManager/contrib/fedora/rpm/NetworkManager.20190418-140801.Oo83uJ
warning: Macro expanded in comment on line 137: %{real_version_major}/%{name}-%{real_version}.tar.xz

error: This macro requires some arguments
error: line 809: %systemd_postun

ERROR: rpmbuild FAILED
ERROR: Job failed: exit code 1
failed
build_f30 Test
$ date '+%Y%m%d-%H%M%S'; NM_INSTALL="dnf install -y" ./contrib/fedora/REQUIRED_PACKAGES
20190418-134818
Fedora Modular 30 - x86_64 6.6 MB/s | 2.1 MB 00:00
Fedora Modular 30 - x86_64 - Updates 338 B/s | 257 B 00:00
Fedora Modular 30 - x86_64 - Test Updates 7.6 MB/s | 2.9 MB 00:00
Fedora 30 - x86_64 - Test Updates 25 MB/s | 15 MB 00:00
Fedora 30 - x86_64 - Updates 318 B/s | 257 B 00:00
./contrib/fedora/REQUIRED_PACKAGES: line 13: 11 Segmentation fault (core dumped) $NM_INSTALL "$@"
ERROR: Job failed: exit code 1