This update fixes the following issues for kdbg:

- bnc#784634: Update to 2.5.2
- Support for GDB 7.5.
- More of GDB's output is recognized in some corner cases
- The thread list parser introduced in 2.5.1 sometimes stripped two letters from the function name.
- Added opensuse-gdb.diff: ignore messages about debuginfo-packages from openSUSE's gdb