Fix compiler warnings when UNW_DEBUG is enabled
Fix compiler warnings when UNW_DEBUG is enabled

Newer versions of gcc complain when ALWAYS_INLINE is used without
inline.

dropbox/libunwind,evaautomation/libunwind,tony/libunwind,vtjnash/libunwind,bo-on-software/libunwind,yuyichao/libunwind,project-zerus/libunwind,unkadoug/libunwind,atanasyan/libunwind,krytarowski/libunwind,zliu2014/libunwind-tilegx,frida/libunwind,krytarowski/libunwind,igprof/libunwind,martyone/libunwind,frida/libunwind,tkelman/libunwind,pathscale/libunwind,dagar/libunwind,unkadoug/libunwind,tkelman/libunwind,fdoray/libunwind,rogwfu/libunwind,tony/libunwind,rogwfu/libunwind,rogwfu/libunwind,pathscale/libunwind,project-zerus/libunwind,rantala/libunwind,vegard/libunwind,Chilledheart/libunwind,wdv4758h/libunwind,joyent/libunwind,vegard/libunwind,fdoray/libunwind,rantala/libunwind,project-zerus/libunwind,libunwind/libunwind,yuyichao/libunwind,zliu2014/libunwind-tilegx,Chilledheart/libunwind,bo-on-software/libunwind,vtjnash/libunwind,tony/libunwind,rntz/libunwind,atanasyan/libunwind,tkelman/libunwind,djwatson/libunwind,libunwind/libunwind,vtjnash/libunwind,igprof/libunwind,rntz/libunwind,dropbox/libunwind,evaautomation/libunwind,dagar/libunwind,pathscale/libunwind,igprof/libunwind,atanasyan/libunwind,rntz/libunwind,fdoray/libunwind,joyent/libunwind,unkadoug/libunwind,Chilledheart/libunwind,evaautomation/libunwind,wdv4758h/libunwind,rantala/libunwind,dropbox/libunwind,dagar/libunwind,joyent/libunwind,zliu2014/libunwind-tilegx,krytarowski/libunwind,vegard/libunwind,frida/libunwind,libunwind/libunwind,wdv4758h/libunwind,yuyichao/libunwind,djwatson/libunwind,bo-on-software/libunwind,martyone/libunwind,martyone/libunwind,djwatson/libunwind