GDBus: Use specific variant type in GetAll()
GDBus: Use specific variant type in GetAll()

Without this fix, we segfault if the exported object returned an error
on all get_property() calls (in reality, this never happens).

Signed-off-by: David Zeuthen <16a4bae6a7afea1fdd75baca6404fe68f285db96@redhat.com>

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