Fix gsettings tool crash
Fix gsettings tool crash

When no path is provided for the schema, we have call
g_settings_new() instead of g_settings_new_with_path()
passing a NULL path.

This was crashing the tool on start since an assertion was
recently added to g_settings_new_with_path() to refuse NULL.

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