/* Satellite */
#if defined(WIN32) || defined(WINCE)
# define NETID_TEXT N_("Network Identifier")
-# define NETID_LONGTEXT ""
+# define NETID_LONGTEXT NULL
#else
# define SATNO_TEXT N_("Satellite number in the Diseqc system")
# define SATNO_LONGTEXT N_("[0=no diseqc, 1-4=satellite number].")
#define FEC_LONGTEXT N_("FEC=Forward Error Correction mode [9=auto].")
#define SRATE_TEXT N_("Transponder symbol rate in kHz")
-#define SRATE_LONGTEXT ""
+#define SRATE_LONGTEXT NULL
#define LNB_LOF1_TEXT N_("Antenna lnb_lof1 (kHz)")
#define LNB_LOF1_LONGTEXT N_("Low Band Local Osc Freq in kHz (usually 9.75GHz)")