glib/gmacros.h: Fix up attribute to avoid namespace collisions
glib/gmacros.h: Fix up attribute to avoid namespace collisions

https://bugzilla.gnome.org/show_bug.cgi?id=670751

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