Ignore fail of git-describe differently.
Ignore fail of git-describe differently.

Now it doesn't show an error message and still continues.

Thanks to Han` for reporting this.

wolfy1339/znc,aarondunlap/znc,Kriechi/znc,ollie27/znc,kashike/znc,DarthGandalf/znc,Adam-/znc,znc/znc,jreese/znc,psychon/znc,trisk/znc,BtbN/znc,dgw/znc,TingPing/znc,TuffLuck/znc,trisk/znc,Kriechi/nobnc,dgw/znc,znc/znc,ollie27/znc,Adam-/znc,Phansa/znc,wolfy1339/znc,wolfy1339/znc,badloop/znc,anthonyryan1/znc,psychon/znc,GLolol/znc,Mkaysi/znc,markusj/znc,Mkaysi/znc,znc/znc,withinsoft/znc,jreese/znc,Mikaela/znc,wolfy1339/znc,Adam-/znc,dgw/znc,ollie27/znc,Adam-/znc,Mikaela/znc,elyscape/znc,jantman/znc,jreese/znc,Mkaysi/znc,jreese/znc,anthonyryan1/znc,Kriechi/znc,elyscape/znc,kashike/znc,Adam-/znc,DarthGandalf/znc,Phansa/znc,KiNgMaR/znc,jreese/znc,aarondunlap/znc,aarondunlap/znc,dgw/znc,Zarthus/znc,TingPing/znc,Zarthus/znc,psychon/znc,anthonyryan1/znc,YourBNC/znc,Phansa/znc,badloop/znc,badloop/znc,TuffLuck/znc,wolfy1339/znc,dgw/znc,BtbN/znc,KielBNC/znc,anthonyryan1/znc,TuffLuck/znc,evilnet/znc,Hasimir/znc,KiNgMaR/znc,jpnurmi/znc,Adam-/znc,DarthGandalf/znc,aarondunlap/znc,ollie27/znc,KielBNC/znc,aarondunlap/znc,Hasimir/znc,markusj/znc,jantman/znc,KiNgMaR/znc,YourBNC/znc,YourBNC/znc,psychon/znc,jantman/znc,markusj/znc,trisk/znc,Kriechi/znc,TingPing/znc,jpnurmi/znc,Phansa/znc,withinsoft/znc,anthonyryan1/znc,BtbN/znc,znc/znc,reedloden/znc,Hasimir/znc,ollie27/znc,GLolol/znc,KielBNC/znc,Hasimir/znc,KiNgMaR/znc,Mikaela/znc,jantman/znc,Mikaela/znc,Adam-/znc,anthonyryan1/znc,reedloden/znc,reedloden/znc,BtbN/znc,Mikaela/znc,Hasimir/znc,TuffLuck/znc,GLolol/znc,badloop/znc,elyscape/znc,jreese/znc,YourBNC/znc,Mkaysi/znc,jpnurmi/znc,markusj/znc,anthonyryan1/znc,evilnet/znc,GLolol/znc,GLolol/znc,psychon/znc,KielBNC/znc,withinsoft/znc,DarthGandalf/znc,BtbN/znc,elyscape/znc,BtbN/znc,Mkaysi/znc,kashike/znc,aarondunlap/znc,GLolol/znc,YourBNC/znc,Mikaela/znc,Phansa/znc,elyscape/znc,Hasimir/znc,TuffLuck/znc,znc/znc,jpnurmi/znc,evilnet/znc,jpnurmi/znc,znc/znc,withinsoft/znc,Zarthus/znc,YourBNC/znc,reedloden/znc,badloop/znc,evilnet/znc,Zarthus/znc,aarondunlap/znc,reedloden/znc,Kriechi/nobnc,trisk/znc,Mkaysi/znc,Kriechi/znc,kashike/znc,elyscape/znc,evilnet/znc,withinsoft/znc,TuffLuck/znc,KiNgMaR/znc,Kriechi/znc,Phansa/znc,Zarthus/znc,jpnurmi/znc,DarthGandalf/znc,trisk/znc,TuffLuck/znc,withinsoft/znc,TingPing/znc,jantman/znc,trisk/znc,psychon/znc,TingPing/znc,ollie27/znc,kashike/znc,Mikaela/znc,reedloden/znc,evilnet/znc,wolfy1339/znc,Kriechi/nobnc,jantman/znc,Mkaysi/znc,badloop/znc,KielBNC/znc,KiNgMaR/znc,TingPing/znc,DarthGandalf/znc,KielBNC/znc,Zarthus/znc,jpnurmi/znc,markusj/znc,kashike/znc,badloop/znc,markusj/znc,dgw/znc,Hasimir/znc,Kriechi/znc