Fix x86_64 build

Fix types after recent update:
https://android-review.googlesource.com/#/c/83435/

Change-Id: I17ed28af84b7adeb8572e18834e66f3264ec061d
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
diff --git a/libm/include/amd64/machine/fenv.h b/libm/include/amd64/machine/fenv.h
index f22a931..79a4120 100644
--- a/libm/include/amd64/machine/fenv.h
+++ b/libm/include/amd64/machine/fenv.h
@@ -97,7 +97,7 @@
  * A floating-point control mode is a system variable whose value may be set by
  * the user to affect the subsequent behavior of floating-point arithmetic.
  */
-typedef __uint_32 fexcept_t;
+typedef __uint32_t fexcept_t;
 
 __END_DECLS