GSocketMsgFlags: annotate as a flags
GSocketMsgFlags: annotate as a flags

This was being incorrectly guessed as an enum.  Fix that.

https://bugzilla.gnome.org/show_bug.cgi?id=671942

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