Fix g_input_stream_skip_async() documentation
Fix g_input_stream_skip_async() documentation

Remove mention of inexisting argument.  Spotted in relation to bug
581229.

MathieuDuponchelle/glib,OpenInkpot-archive/iplinux-glib2.0,ieei/glib,cosimoc/glib,justinkb/aosp-bluez.glib,mzabaluev/glib,tamaskenez/glib,ieei/glib,gale320/glib,tamaskenez/glib,tchakabam/glib,endlessm/glib,pstglia/platform-external-bluetooth-glib,djdeath/glib,cention-sany/glib,johne53/MB3Glib,01org/android-bluez-glib,iConsole/Console-OS_external_bluetooth_glib,djdeath/glib,dicer/android_external_glib,cention-sany/glib,Distrotech/glib,tamaskenez/glib,lukasz-skalski/glib,darren-clark/android_platform_external_bluetooth_glib,dicer/android_external_glib,bratsche/glib,krichter722/glib,cention-sany/glib,lukasz-skalski/glib,bratsche/glib,krichter722/glib,01org/android-bluez-glib,pstglia/external-bluetooth-glib,johne53/MB3Glib,djdeath/glib,ahmedammar/platform_external_gst_glib,antono/glib,ieei/glib,iConsole/Console-OS_external_bluetooth_glib,lukasz-skalski/glib,zsx/glib,mzabaluev/glib,gale320/glib,darren-clark/android_platform_external_bluetooth_glib,ieei/glib-old-android,gale320/glib,zsx/glib,justinkb/aosp-bluez.glib,tchakabam/glib,justinkb/aosp-bluez.glib,bratsche/glib,bluez-android/glib,bluez-android/glib,Distrotech/glib,djdeath/glib,Distrotech/glib,ieei/glib-old-android,Distrotech/glib,dicer/android_external_glib,ieei/glib-old-android,Distrotech/glib,gale320/glib,iConsole/Console-OS_external_bluetooth_glib,MathieuDuponchelle/glib,lukasz-skalski/glib,cention-sany/glib,mzabaluev/glib,MathieuDuponchelle/glib,pstglia/external-bluetooth-glib,darren-clark/android_platform_external_bluetooth_glib,cosimoc/glib,mzabaluev/glib,bratsche/glib,pstglia/external-bluetooth-glib,bluez-android/glib,antono/glib,pstglia/external-bluetooth-glib,iConsole/Console-OS_external_bluetooth_glib,ahmedammar/platform_external_gst_glib,johne53/MB3Glib,cosimoc/glib,krichter722/glib,OpenInkpot-archive/iplinux-glib2.0,cosimoc/glib,zsx/glib,krichter722/glib,johne53/MB3Glib,djdeath/glib,johne53/MB3Glib,cosimoc/glib,ieei/glib,OpenInkpot-archive/iplinux-glib2.0,pstglia/platform-external-bluetooth-glib,justinkb/aosp-bluez.glib,tchakabam/glib,justinkb/aosp-bluez.glib,bluez-android/glib,lukasz-skalski/glib,01org/android-bluez-glib,endlessm/glib,OpenInkpot-archive/iplinux-glib2.0,bluez-android/glib,pstglia/external-bluetooth-glib,pstglia/platform-external-bluetooth-glib,darren-clark/android_platform_external_bluetooth_glib,antono/glib,antono/glib,endlessm/glib,01org/android-bluez-glib,pstglia/platform-external-bluetooth-glib,mzabaluev/glib,endlessm/glib,MathieuDuponchelle/glib,tamaskenez/glib,gale320/glib,01org/android-bluez-glib,krichter722/glib,dicer/android_external_glib,ahmedammar/platform_external_gst_glib,OpenInkpot-archive/iplinux-glib2.0,MathieuDuponchelle/glib,ieei/glib-old-android,endlessm/glib,pstglia/platform-external-bluetooth-glib,cention-sany/glib,johne53/MB3Glib,darren-clark/android_platform_external_bluetooth_glib,zsx/glib,ahmedammar/platform_external_gst_glib,dicer/android_external_glib,ieei/glib,tamaskenez/glib,tchakabam/glib,iConsole/Console-OS_external_bluetooth_glib,tchakabam/glib