Fix launching help through API on Linux (BL-4577)
Fix launching help through API on Linux (BL-4577)

Another case of case (in)sensitivity depending on the system.

andrew-polk/BloomDesktop,StephenMcConnel/BloomDesktop,BloomBooks/BloomDesktop,BloomBooks/BloomDesktop,gmartin7/myBloomFork,andrew-polk/BloomDesktop,gmartin7/myBloomFork,BloomBooks/BloomDesktop,andrew-polk/BloomDesktop,andrew-polk/BloomDesktop,andrew-polk/BloomDesktop,BloomBooks/BloomDesktop,gmartin7/myBloomFork,StephenMcConnel/BloomDesktop,StephenMcConnel/BloomDesktop,StephenMcConnel/BloomDesktop,gmartin7/myBloomFork,andrew-polk/BloomDesktop,BloomBooks/BloomDesktop,BloomBooks/BloomDesktop,gmartin7/myBloomFork,StephenMcConnel/BloomDesktop,StephenMcConnel/BloomDesktop,gmartin7/myBloomFork