gmacros: Hide G_STATIC_ASSERT from g-ir-scanner
gmacros: Hide G_STATIC_ASSERT from g-ir-scanner

The C syntax here is twisted and confuses the scanner.  We don't
need to see it, so let's just skip it.

https://bugzilla.gnome.org/show_bug.cgi?id=660413

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