Shellvars: exclude more tcsh profile scripts (#627)
Shellvars: exclude more tcsh profile scripts (#627)

Found tcsh profile scripts also with the .tcsh extension, so exclude
them too.

Followup of commit b78bbb61282208288f0182ec1a9b3045c1f61e2a.
ptoscano/augeas,mlichvar/augeas,ptoscano/augeas,hercules-team/augeas,ptoscano/augeas,mlichvar/augeas,mlichvar/augeas,hercules-team/augeas