Fix the zipfile extension so that it is able to create symbolic link entries

in the ZIP file even on systems like Win32 that do not support symbolic links
on the native filesystem.

FossilOrigin-Name: 2a4493f4ad2d09c1097e98e7086623669f3f252571884d515e51a98b1c6855e1

ext/misc/zipfile.c

@@ -1390,9 +1390,7 @@ static int zipfileGetMode(
     switch( z[0] ){
       case '-': mode |= S_IFREG; break;
       case 'd': mode |= S_IFDIR; break;
-#if !defined(_WIN32) && !defined(WIN32)
       case 'l': mode |= S_IFLNK; break;
-#endif
       default: goto parse_error;
     }
     for(i=1; i<10; i++){