[floating point support] Made a slight changes to common/misc/fxsupport.cc
[floating point support] Made a slight changes to common/misc/fxsupport.cc

fhijaz/Graphite,mit-carbon/Graphite-Cycle-Level,fhijaz/Graphite,8l/Graphite,8l/Graphite,mit-carbon/Graphite-Cycle-Level,mit-carbon/Graphite,nkawahara/Graphite,victorisildur/Graphite,8l/Graphite,nkawahara/Graphite,mit-carbon/Graphite,mit-carbon/Graphite-Cycle-Level,victorisildur/Graphite,mit-carbon/Graphite,nkawahara/Graphite,victorisildur/Graphite,victorisildur/Graphite,8l/Graphite,fhijaz/Graphite,nkawahara/Graphite,fhijaz/Graphite,mit-carbon/Graphite-Cycle-Level,mit-carbon/Graphite