Re-order initialisers to be the same as the structure declation to avoid

GCC compilation error.

Error message is: "sorry, unimplemented: non-trivial designated
initializers not supported"

src/test/unit/rc_controls_unittest.cc

@@ -241,9 +241,9 @@ protected:
             .rcExpo8 = 0,
             .thrMid8 = 0,
             .thrExpo8 = 0,
-            .rcYawExpo8 = 0,
-            .rates = {0,0,0},
+            .rates = {0, 0, 0},
             .dynThrPID = 0,
+            .rcYawExpo8 = 0,
             .tpa_breakpoint = 0
     };