Fix annotations for source/target in g_object_bind_property_*
Fix annotations for source/target in g_object_bind_property_*

We use gpointer for convience of the C API users, but introspection
users will not like it.

https://bugzilla.gnome.org/show_bug.cgi?id=659838

pstglia/external-bluetooth-glib,djdeath/glib,darren-clark/android_platform_external_bluetooth_glib,tamaskenez/glib,darren-clark/android_platform_external_bluetooth_glib,justinkb/aosp-bluez.glib,01org/android-bluez-glib,johne53/MB3Glib,tchakabam/glib,pstglia/external-bluetooth-glib,mzabaluev/glib,lukasz-skalski/glib,tamaskenez/glib,ieei/glib,tchakabam/glib,djdeath/glib,tchakabam/glib,endlessm/glib,iConsole/Console-OS_external_bluetooth_glib,iConsole/Console-OS_external_bluetooth_glib,lukasz-skalski/glib,iConsole/Console-OS_external_bluetooth_glib,justinkb/aosp-bluez.glib,Distrotech/glib,krichter722/glib,cosimoc/glib,mzabaluev/glib,bluez-android/glib,pstglia/platform-external-bluetooth-glib,mzabaluev/glib,cosimoc/glib,bluez-android/glib,endlessm/glib,justinkb/aosp-bluez.glib,bluez-android/glib,antono/glib,cention-sany/glib,lukasz-skalski/glib,lukasz-skalski/glib,antono/glib,endlessm/glib,johne53/MB3Glib,pstglia/platform-external-bluetooth-glib,cention-sany/glib,tamaskenez/glib,johne53/MB3Glib,ieei/glib,Distrotech/glib,Distrotech/glib,darren-clark/android_platform_external_bluetooth_glib,pstglia/platform-external-bluetooth-glib,gale320/glib,MathieuDuponchelle/glib,bluez-android/glib,01org/android-bluez-glib,tchakabam/glib,bluez-android/glib,mzabaluev/glib,MathieuDuponchelle/glib,tamaskenez/glib,iConsole/Console-OS_external_bluetooth_glib,johne53/MB3Glib,gale320/glib,pstglia/external-bluetooth-glib,darren-clark/android_platform_external_bluetooth_glib,iConsole/Console-OS_external_bluetooth_glib,endlessm/glib,Distrotech/glib,gale320/glib,djdeath/glib,antono/glib,krichter722/glib,mzabaluev/glib,lukasz-skalski/glib,ieei/glib,ieei/glib,krichter722/glib,Distrotech/glib,01org/android-bluez-glib,krichter722/glib,tamaskenez/glib,endlessm/glib,pstglia/platform-external-bluetooth-glib,krichter722/glib,justinkb/aosp-bluez.glib,djdeath/glib,tchakabam/glib,cosimoc/glib,darren-clark/android_platform_external_bluetooth_glib,gale320/glib,MathieuDuponchelle/glib,cosimoc/glib,djdeath/glib,ieei/glib,pstglia/external-bluetooth-glib,MathieuDuponchelle/glib,cention-sany/glib,pstglia/platform-external-bluetooth-glib,cention-sany/glib,gale320/glib,01org/android-bluez-glib,cosimoc/glib,antono/glib,pstglia/external-bluetooth-glib,johne53/MB3Glib,justinkb/aosp-bluez.glib,cention-sany/glib,MathieuDuponchelle/glib,johne53/MB3Glib,01org/android-bluez-glib