core: fix logical typo found by coverity

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
gpaste: fix coverity warning

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
update: make enums GTypes

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
client: add update signal

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
Merge branch 'gpaste-3.10' into gpaste-3.12

* gpaste-3.10:
  client: add update signal
  update: make enums GTypes
  gpaste: fix coverity warning
  core: fix logical typo found by coverity