Correctly restore floating point exceptions

BUG=aomedia:2459

Change-Id: I7efbca9ba2ba3802637f60c9d5f0a50a8c043d69

aom/src/aom_encoder.c

diff --git a/aom/src/aom_encoder.c b/aom/src/aom_encoder.c
index 7270797..9de8c06 100644
--- a/aom/src/aom_encoder.c
+++ b/aom/src/aom_encoder.c
@@ -192,7 +192,9 @@
 #define FLOATING_POINT_SET_EXCEPTIONS \
   const int float_excepts =           \
       feenableexcept(FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW);
-#define FLOATING_POINT_RESTORE_EXCEPTIONS feenableexcept(float_excepts);
+#define FLOATING_POINT_RESTORE_EXCEPTIONS \
+  fedisableexcept(FE_ALL_EXCEPT);         \
+  feenableexcept(float_excepts);
 #else
 #define FLOATING_POINT_SET_EXCEPTIONS
 #define FLOATING_POINT_RESTORE_EXCEPTIONS