Update gdb.py

Author: alexey-bataev

gdb.py

@@ -1,4 +1,4 @@
 from sys import path
-path.append('/gsa/yktgsa/home/a/l/alexey/duel/gdb-tools')
+path.append('~/duel/gdb-tools')
 import duel
 from pretty_printer import PrettyPrinter