A grapefruit-only whitespace change to test CI filtering

Author: nathanaelhuffman

hdl/projects/grapefruit/BUCK

@@ -2,6 +2,7 @@ load("//tools:hdl.bzl", "vhdl_unit")
 load("//tools:rdl.bzl", "rdl_file")
 load("//tools:vivado.bzl", "vivado_bitstream")
 
+
 rdl_file(
     name = "base_regs_map",
     src = "base_regs/gfruit_regs.rdl",