Restrict again JBR to Linux
Restrict again JBR to Linux

Helioviewer-Project/JHelioviewer-SWHV,Helioviewer-Project/JHelioviewer-SWHV,Helioviewer-Project/JHelioviewer-SWHV,Helioviewer-Project/JHelioviewer-SWHV,Helioviewer-Project/JHelioviewer-SWHV