gio: Make enumerating a GNetworkAddress work more than once
gio: Make enumerating a GNetworkAddress work more than once

Previously, the code only initialized the enumerator if the address
hadn't had cached addresses. But creating an enumerator cached the
addresses, so the second one failed to work.

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