Update tests for Linux

Author: slavapestov

test/IRGen/generic_types.swift

@@ -13,7 +13,8 @@
 // CHECK-native-SAME: i32 160,
 // CHECK-objc-SAME:   i32 344,
 // CHECK-SAME:   i16 1,
-// CHECK-SAME:   i16 208,
+// CHECK-native-SAME: i16 24,
+// CHECK-objc-SAME:   i16 208,
 // CHECK-SAME:   [{{[0-9]+}} x i8*] zeroinitializer,
 // CHECK-SAME:   void ([[A]]*)* @_T013generic_types1ACfD,
 // CHECK-SAME:   i8** @_T0BoWV,
@@ -39,7 +40,8 @@
 // CHECK-native-SAME: i32 152,
 // CHECK-objc-SAME:   i32 336,
 // CHECK-SAME:   i16 1,
-// CHECK-SAME:   i16 208,
+// CHECK-native-SAME: i16 24,
+// CHECK-objc-SAME:   i16 208,
 // CHECK-SAME:   [{{[0-9]+}} x i8*] zeroinitializer,
 // CHECK-SAME:   void ([[B]]*)* @_T013generic_types1BCfD,
 // CHECK-SAME:   i8** @_T0BoWV,