Typos and misspellings fix 3

Corrected 6 typos in user messages of scripts to install odbc clients.

This small change to will test job execution, to ensure nothing is broken
after changes 305 and 307 in trafodion/infra, for detection of core files.

Change-Id: I92c4ac4210f2019218cb29c0f049607ad24dd86a
Merge "Typos and misspellings fix 3"