Add incomplet long double math support to libmingwex.a

winsup/mingw/mingwex/math/fucom.c

@@ -0,0 +1,11 @@
+int 
+__fp_unordered_compare (long double x,  long double y){
+  unsigned short retval;
+  __asm__ (
+	"fucom %%st(1);"
+	"fnstsw;"
+	: "=a" (retval)
+	: "t" (x), "u" (y)
+	);
+  return retval;
+}