rigctl unnecessary paramter prompt

[mdblack98]

Hi Mike and all,

the commit above seems to be the cause of unnecessary parameter prompts when using rigctl interactively.

rigctl

Rig command: F 145000000
Frequency:
Rig command: q
73
Bill
G4WJS.

[mdblack98]

Different behavior on Unix and Windows
Unix:
Rig command: F 14074000
Rig command: F
Frequency: 14074000
Rig command:

Windows:
Rig command: F 14074000
Frequency:
Rig command: F
Frequency: 14074000

Unix with argument
Rig command: F 14074000
rigctl_parse: input_line: F 14074000
rigctl_parse: vfo_opt=0
rig_set_freq called vfo=currVFO, freq=1.4074e+07
vfo_fixup: vfo=currVFO
vfo_fixup: Leaving currVFO alone
rig_set_freq: TARGETABLE_FREQ vfo=currVFO
dummy_set_freq called: VFOA 14.074 MHz
dummy_set_freq: curr->freq=14074000, curr->tx_freq=14074000
elapsed_ms: start = 0,0
elapsed_ms: after gettime, start = 1594039973,335981128
rigctl_parse: vfo_opt=0
rigctl_parse: retcode=0
rigctl_parse: called, interactive=1

Windows with argument
Rig command: F 14074000
rigctl_parse: cmd=F(46)
rigctl_parse: vfo_opt=0
rigctl_parse: debug1
rigctl_parse: debug3
rigctl_parse: debug4
Frequency: rigctl_parse: debug5
rigctl_parse: debug10
rigctl_parse: vfo_opt=0
rig_set_freq called vfo=currVFO, freq=1.4074e+007
vfo_fixup: vfo=currVFO
vfo_fixup: Leaving currVFO alone
rig_set_freq: TARGETABLE_FREQ vfo=currVFO
dummy_set_freq called: VFOA 14.074 MHz
dummy_set_freq: curr->freq=14074000, curr->tx_freq=145000000
elapsed_ms: start = 0,0
elapsed_ms: after gettime, start = 1594040117,556566400
rigctl_parse: vfo_opt=0
rigctl_parse: retcode=0
rigctl_parse: called, interactive=1