fix: change double type size from 4 to 8

Author: Mati365

packages/compiler-pico-c/src/arch/x86/modes/16bit/sizeofPrimitiveType.ts

@@ -22,7 +22,6 @@ export const sizeofPrimitiveType: SizeofPrimitiveTypeFn = specifiers => {
       return 2;
 
     case CSpecBitmap.float:
-    case CSpecBitmap.double:
     case CSpecBitmap.long:
     case CSpecBitmap.long | CSpecBitmap.int:
     case CSpecBitmap.signed | CSpecBitmap.long:
@@ -31,6 +30,9 @@ export const sizeofPrimitiveType: SizeofPrimitiveTypeFn = specifiers => {
     case CSpecBitmap.unsigned | CSpecBitmap.long | CSpecBitmap.int:
       return 4;
 
+    case CSpecBitmap.double:
+      return 8;
+
     default:
       return null;
   }