* mingwex/fe*.c: Revert previous changes.

* include/fenv.h: Revert previous changes.

	Add Changelog entry for the reverted change.

winsup/mingw/mingwex/fegetenv.c

@@ -4,8 +4,9 @@
    The fegetenv function stores the current floating-point environment
    in the object pointed to by envp. */
 
-void fegetenv (fenv_t * envp)
+int fegetenv (fenv_t * envp)
 {
   __asm__ ("fnstenv %0;": "=m" (*envp));
+  return 0;
 }