gsocket: fix win32 build
gsocket: fix win32 build

https://bugzilla.gnome.org/show_bug.cgi?id=658157

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