format string for solar tslist variables appears to be incorrect

[hawbecker]

When using the tslist output for WRF's solar variables, the formatting in the generated [stn abbr].d0X.TS files causes a new line to be written for the last variable. This appears to be due to the fact that the formatting is incorrectly specified in share/wrf_timeseries.F where 49(f13.5,1x) should be 50(f13.5,1x). Testing this on my end seemed to fix it.

https://github.com/wrf-model/WRF/blob/21c72141142fc6c8d203d2bf79f1990e45a0aef8/share/wrf_timeseries.F#L906