message: Add a split on ':' to build_defs.bzl
diff: @@ -209,7 +209,7 @@ def flatbuffer_cc_library(
  Happy dependent Flatbuffering!
  '''
  output_headers = [
  - (out_prefix + "%s_generated.h") % (s.replace(".fbs", "").split("/")[-1])
  + (out_prefix + "%s_generated.h") % (s.replace(".fbs", "").split("/")[-1].split(":")[-1])
  for s in srcs
  ]
  reflection_name = "%s_reflection" % name if gen_reflections else ""
  