type_data_unref_Wm => type_data_unref_U
type_data_unref_Wm => type_data_unref_U

Make the type unref function not hold any locks when called. This
makes it easier to optimize it to be atomic later.

https://bugzilla.gnome.org/show_bug.cgi?id=585375

dicer/android_external_glib,01org/android-bluez-glib,darren-clark/android_platform_external_bluetooth_glib,mzabaluev/glib,OpenInkpot-archive/iplinux-glib2.0,pstglia/platform-external-bluetooth-glib,Distrotech/glib,cosimoc/glib,pstglia/platform-external-bluetooth-glib,OpenInkpot-archive/iplinux-glib2.0,OpenInkpot-archive/iplinux-glib2.0,bluez-android/glib,krichter722/glib,cosimoc/glib,krichter722/glib,lukasz-skalski/glib,MathieuDuponchelle/glib,ieei/glib,johne53/MB3Glib,Distrotech/glib,01org/android-bluez-glib,gale320/glib,pstglia/external-bluetooth-glib,01org/android-bluez-glib,ieei/glib,lukasz-skalski/glib,MathieuDuponchelle/glib,gale320/glib,endlessm/glib,pstglia/external-bluetooth-glib,ieei/glib-old-android,endlessm/glib,bratsche/glib,endlessm/glib,lukasz-skalski/glib,lukasz-skalski/glib,antono/glib,ieei/glib-old-android,OpenInkpot-archive/iplinux-glib2.0,ieei/glib,ahmedammar/platform_external_gst_glib,pstglia/external-bluetooth-glib,cention-sany/glib,pstglia/external-bluetooth-glib,tchakabam/glib,tamaskenez/glib,dicer/android_external_glib,dicer/android_external_glib,justinkb/aosp-bluez.glib,zsx/glib,Distrotech/glib,bratsche/glib,bluez-android/glib,johne53/MB3Glib,tchakabam/glib,mzabaluev/glib,dicer/android_external_glib,zsx/glib,MathieuDuponchelle/glib,bluez-android/glib,mzabaluev/glib,djdeath/glib,Distrotech/glib,tchakabam/glib,tamaskenez/glib,krichter722/glib,Distrotech/glib,tamaskenez/glib,ahmedammar/platform_external_gst_glib,justinkb/aosp-bluez.glib,antono/glib,mzabaluev/glib,djdeath/glib,bratsche/glib,endlessm/glib,ieei/glib,lukasz-skalski/glib,bratsche/glib,krichter722/glib,ahmedammar/platform_external_gst_glib,OpenInkpot-archive/iplinux-glib2.0,tchakabam/glib,justinkb/aosp-bluez.glib,johne53/MB3Glib,ahmedammar/platform_external_gst_glib,krichter722/glib,iConsole/Console-OS_external_bluetooth_glib,johne53/MB3Glib,zsx/glib,darren-clark/android_platform_external_bluetooth_glib,djdeath/glib,pstglia/platform-external-bluetooth-glib,cosimoc/glib,pstglia/platform-external-bluetooth-glib,djdeath/glib,justinkb/aosp-bluez.glib,johne53/MB3Glib,01org/android-bluez-glib,cosimoc/glib,cention-sany/glib,darren-clark/android_platform_external_bluetooth_glib,dicer/android_external_glib,gale320/glib,bluez-android/glib,gale320/glib,cention-sany/glib,iConsole/Console-OS_external_bluetooth_glib,djdeath/glib,cosimoc/glib,antono/glib,antono/glib,iConsole/Console-OS_external_bluetooth_glib,ieei/glib-old-android,pstglia/platform-external-bluetooth-glib,MathieuDuponchelle/glib,ieei/glib-old-android,cention-sany/glib,darren-clark/android_platform_external_bluetooth_glib,endlessm/glib,tchakabam/glib,cention-sany/glib,justinkb/aosp-bluez.glib,johne53/MB3Glib,darren-clark/android_platform_external_bluetooth_glib,tamaskenez/glib,iConsole/Console-OS_external_bluetooth_glib,tamaskenez/glib,ieei/glib,01org/android-bluez-glib,MathieuDuponchelle/glib,pstglia/external-bluetooth-glib,iConsole/Console-OS_external_bluetooth_glib,zsx/glib,mzabaluev/glib,bluez-android/glib,gale320/glib