解決安裝mongoose時，node-gyp報錯問題

安裝mongoose是系統報錯，顯示找不到gssapi/gssapi.h:

In file included from ../lib/kerberos.cc:1:0:
../lib/kerberos.h:5:27: fatal error: gssapi/gssapi.h: No such file or directory
 #include <gssapi/gssapi.h>
                           ^
compilation terminated.

解決方法，安裝缺乏的庫：

$ apt-get install libkrb5-dev