Merge commit '616b409c'

* commit '616b409c':
  configure: Check MSVC defines for identifying hardfloat
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

configure

@@ -4766,6 +4766,8 @@ EOF
 
     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
         enable vfp_args
+    elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
+        enable vfp_args
     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
         case "${cross_prefix:-$cc}" in
             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;