Rename the driver option to -mno-implicit-float, per Eli's suggestion.

llvm-svn: 156950
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 8845f90..19e542d 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -756,7 +756,7 @@
       CmdArgs.push_back("-mno-global-merge");
   }
 
-  if (Args.hasArg(options::OPT_no_implicit_float))
+  if (Args.hasArg(options::OPT_mno_implicit_float))
     CmdArgs.push_back("-no-implicit-float");
 }