fix issue #206
fix issue #206

Change the prototype of a non-exported function (re.c:_yr_re_fiber_sync) so that it
tells its caller if an error occurred.

binsrc/yara,wxsBSD/yara,jshufelt/yara,tanium/yara,frbapolkosnik/yara,wxsBSD/yara,mgoffin/yara,beikezcs/yara,neatsun/yara,beikezcs/yara,rednaga/yara,cblichmann/yara,smaudet/yara,wxsBSD/yara,hillu/yara,smaudet/yara,tanium/yara,plusvic/yara,plusvic/yara,mgoffin/yara,rayyang2000/yara,msuvajac/yara,pombredanne/yara,bmagistro/yara,kallanreed/yara,hillu/yara,VirusTotal/yara,binsrc/yara,plusvic/yara,bmagistro/yara,frbapolkosnik/yara,digideskio/yara,neatsun/yara,pombredanne/yara,binsrc/yara,MeteorAdminz/yara,MeteorAdminz/yara,rednaga/yara,pombredanne/yara,digideskio/yara,jshufelt/yara,tanium/yara,pombredanne/yara,tdr130/yara,pombredanne/yara,beikezcs/yara,smaudet/yara,binsrc/yara,MeteorAdminz/yara,frbapolkosnik/yara,Security513/yara,rayyang2000/yara,foreni-packages/yara,mgoffin/yara,plusvic/yara,wxsBSD/yara,cblichmann/yara,cblichmann/yara,jshufelt/yara,VirusTotal/yara,VirusTotal/yara,cblichmann/yara,Security513/yara,neatsun/yara,Security513/yara,foreni-packages/yara,rayyang2000/yara,hillu/yara,jpypi/yara,VirusTotal/yara,rednaga/yara,jshufelt/yara,kallanreed/yara,VirusTotal/yara,hillu/yara,jpypi/yara,plusvic/yara,digideskio/yara,msuvajac/yara,smaudet/yara,tdr130/yara,jpypi/yara,kallanreed/yara,frbapolkosnik/yara,mgoffin/yara,foreni-packages/yara,msuvajac/yara,tdr130/yara,bmagistro/yara,hillu/yara,wxsBSD/yara,cblichmann/yara,digideskio/yara