intel_edison_fab_c.c: check fstat return value
intel_edison_fab_c.c: check fstat return value

Signed-off-by: Brendan Le Foll <3e0e8c4069934e8b47d99704927a85c66c0ceb33@intel.com>

stefan-andritoiu/mraa,Hbrinj/mraa,petreeftime/mraa,g-vidal/mraa,damcclos/mraa,stefan-andritoiu/mraa,alext-mkrs/mraa,anonymouse64/mraa,tripzero/mraa,Meirtz/mraa,ProfFan/mraa,stefan-andritoiu/mraa-gpio-chardev,pctj101/mraa,Kiritoalex/mraa,ProfFan/mraa,noahchense/mraa,noahchense/mraa,g-vidal/mraa,sundw2014/mraa,Hbrinj/mraa,alex1818/mraa,malikabhi05/mraa,whbruce/mraa,g-vidal/mraa,arunlee77/mraa,stefan-andritoiu/mraa,sergev/mraa,neuberfran/mraa,noahchense/mraa,neuberfran/mraa,alext-mkrs/mraa,pctj101/mraa,KurtE/mraa,tripzero/mraa,Hbrinj/mraa,Kiritoalex/mraa,Hbrinj/mraa,noahchense/mraa,spitfire88/mraa,jontrulson/mraa,Pillar1989/mraa,damcclos/mraa,arunlee77/mraa,w4ilun/mraa,andreivasiliu2211/mraa,KurtE/mraa,alexandru-elisei/mraa,Kiritoalex/mraa,yoyojacky/mraa,neuberfran/mraa,arfoll/mraa,neuroidss/mraa,matt-auld/mraa,sergev/mraa,neuberfran/mraa,Propanu/mraa,ncrastanaren/mraa,nioinnovation/mraa,spitfire88/mraa,ncrastanaren/mraa,STANAPO/mraa,yoyojacky/mraa,zBMNForks/mraa,yongli3/mraa,alexandru-elisei/mraa,matt-auld/mraa,arfoll/mraa,yongli3/mraa,yongli3/mraa,zBMNForks/mraa,allela-roy/mraa,pctj101/mraa,Pillar1989/mraa,intel-iot-devkit/mraa,w4ilun/mraa,Jon-ICS/mraa,KurtE/mraa,sundw2014/mraa,stefan-andritoiu/mraa,SyrianSpock/mraa,w4ilun/mraa,ncrastanaren/mraa,ncrastanaren/mraa,intel-iot-devkit/mraa,Pillar1989/mraa,malikabhi05/mraa,alexandru-elisei/mraa,noahchense/mraa,sundw2014/mraa,alex1818/mraa,anonymouse64/mraa,Propanu/mraa,arunlee77/mraa,jontrulson/mraa,stefan-andritoiu/mraa-gpio-chardev,anonymouse64/mraa,mircea/mraa,Propanu/mraa,smileboywtu/mraa,intel-iot-devkit/mraa,g-vidal/mraa,w4ilun/mraa,petreeftime/mraa,yoyojacky/mraa,intel-iot-devkit/mraa,jontrulson/mraa,arfoll/mraa,arfoll/mraa,STANAPO/mraa,sergev/mraa,stefan-andritoiu/mraa-gpio-chardev,andreivasiliu2211/mraa,andreivasiliu2211/mraa,alext-mkrs/mraa,ProfFan/mraa,alext-mkrs/mraa,sundw2014/mraa,Jon-ICS/mraa,mircea/mraa,alex1818/mraa,intel-iot-devkit/mraa,Meirtz/mraa,SyrianSpock/mraa,sergev/mraa,andreivasiliu2211/mraa,stefan-andritoiu/mraa,jontrulson/mraa,ProfFan/mraa,nioinnovation/mraa,Meirtz/mraa,malikabhi05/mraa,spitfire88/mraa,whbruce/mraa,neuroidss/mraa,ncrastanaren/mraa,stefan-andritoiu/mraa-gpio-chardev,SyrianSpock/mraa,allela-roy/mraa,Jon-ICS/mraa,STANAPO/mraa,pctj101/mraa,KurtE/mraa,petreeftime/mraa,sergev/mraa,sundw2014/mraa,pctj101/mraa,KurtE/mraa,Propanu/mraa,damcclos/mraa,alext-mkrs/mraa,smileboywtu/mraa,spitfire88/mraa,malikabhi05/mraa,alexandru-elisei/mraa,whbruce/mraa,smileboywtu/mraa,yongli3/mraa,neuroidss/mraa,arfoll/mraa,jontrulson/mraa,neuberfran/mraa,arunlee77/mraa,matt-auld/mraa,whbruce/mraa,g-vidal/mraa,alexandru-elisei/mraa,Propanu/mraa,allela-roy/mraa,nioinnovation/mraa,yongli3/mraa,stefan-andritoiu/mraa-gpio-chardev,zBMNForks/mraa,tripzero/mraa,malikabhi05/mraa,mircea/mraa,petreeftime/mraa