gobject: Don't use G_PARAM_SPEC_VALUE_TYPE when we know the pspec is valid
gobject: Don't use G_PARAM_SPEC_VALUE_TYPE when we know the pspec is valid

https://bugzilla.gnome.org/show_bug.cgi?id=605667

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