Correctly handle "if/else if/else"

[skx]

The following program now works correctly:

    if (1 + 1 == 3) {
        puts( "what is reality\n" );
    } else if ( 1 + 1 == 2 ) {
        puts( "math is logical.\n" );
    } else {
       puts( "OK\n");
    }