Debugger: Pass output from plain gdb pretty printers hex-encoded

This takes care of "unusual" contents.

Change-Id: I5e9ce2066281d169e88a58e85e6d4dd590760e2a
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

share/qtcreator/dumper/dumper.py

@@ -1979,6 +1979,8 @@ class PlainDumper:
         lister = getattr(printer, "children", None)
         children = [] if lister is None else list(lister())
         d.putType(self.printer.name)
+        val = printer.to_string().encode("hex")
+        d.putValue(val, Hex2EncodedLatin1)
         d.putValue(printer.to_string())
         d.putNumChild(len(children))
         if d.isExpanded():