PgTcl: Update to version 1.7 to fix a crash with Tcl 8.5
This update fixes the following issue for PgTcl:
- 739978: Update to version 1.7 to fix a crash with Tcl 8.5
- Submitted by Reinhard Max (rmax)
Fixed bugs
bnc#739978
using pgtcl module (postgresql) with tcl crashes