health: Use proper type for tid
health: Use proper type for tid

tid holds glib source id and should be of guint type.

This fix following compilation error with musl:
  CC       profiles/health/bluetoothd-hdp.o
profiles/health/hdp.c:84:2: error: unknown type name 'uint'
  uint   tid;  /* echo timeout */
  ^

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pkarasev3/bluez,pkarasev3/bluez,ComputeCycles/bluez,silent-snowman/bluez,silent-snowman/bluez,ComputeCycles/bluez,pstglia/external-bluetooth-bluez,pkarasev3/bluez,pstglia/external-bluetooth-bluez,mapfau/bluez,mapfau/bluez,pstglia/external-bluetooth-bluez,silent-snowman/bluez,ComputeCycles/bluez,pkarasev3/bluez,ComputeCycles/bluez,mapfau/bluez,pstglia/external-bluetooth-bluez,silent-snowman/bluez,mapfau/bluez