broadcom_sta: Reindent file, no code changes

Let's make sure we indent using two spaces, because the unpackPhase was
indented using four spaces.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

pkgs/os-specific/linux/broadcom-sta/default.nix

@@ -34,8 +34,7 @@ stdenv.mkDerivation {
     tar xvf "$src" -C "$sourceRoot"
   '';
 
-  installPhase =
-    ''
+  installPhase = ''
     binDir="$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"
     docDir="$out/share/doc/broadcom-sta/"
     mkdir -p "$binDir" "$docDir"