resources: compiler: Respect absolute paths
resources: compiler: Respect absolute paths

When a <file> already has an absolute path, use it directly instead of trying to
locate it in the --sourcedir directories.

https://bugzilla.gnome.org/show_bug.cgi?id=672541

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