This update for pptp fixes the following issues:
- Fix issue when connecting to Microtic routers (bsc#1191717)
- Remove UID related output from routing because not needed and prompts error (bsc#1131960)
- Prevent pptpsetup creating world-readable peers file
- Allow setting up passwords with quotes and trailing spaces
- Fix tunnel file generation to make sure it can be used by a non-root user
- Fix a memory leak in pqueue
- Fix read and writes beyond allocated memory
- Fix Use-After-Free in call close request handler
- Allow missing window value to be specified in command line instead of being hardcoded
- Randomise call-id to allow connecting with simultaneous pptp sessions
- Fix file descriptor in call to ttyname. Resulting error was a common message:
"pptp: GRE-to-PPP gateway on (null)"

This update was imported from the SUSE:SLE-15:Update update project.