Update call to fuchsia.gdb.initialize.

Change-Id: Iea2d6a3805fccdcd3d21ac08d1089b3a03ff2574
diff --git a/gdb/system-gdbinit/fuchsia.py b/gdb/system-gdbinit/fuchsia.py
index b5d18cf..da5bfd8 100644
--- a/gdb/system-gdbinit/fuchsia.py
+++ b/gdb/system-gdbinit/fuchsia.py
@@ -70,7 +70,7 @@
     _append_sys_path(_get_sys_path(fuchsia_gdb_file))
     # TODO(dje): Catch certain exceptions?
     import fuchsia.gdb
-    fuchsia.gdb.Initialize()
+    fuchsia.gdb.initialize()
   else:
     print "Unable to find Fuchsia support. In Fuchsia tree?"
     print "Looking for file: %s" % (_FUCHSIA_GDB_FILE)