Improve the g_file_make_symbolic_link docs
Improve the g_file_make_symbolic_link docs

Following a proposal by Neil Williams in bug 619527.

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