wrapQemuBinfmtP: don't use pkgsStatic

There's no reason to bring in a whole cross toolchain just to build a
zero-dependency C program.

pkgs/applications/virtualization/qemu/binfmt-p-wrapper.nix

@@ -5,18 +5,20 @@
 # The wrapper has to be static so LD_* environment variables
 # cannot affect the execution of the wrapper itself.
 
-{ lib, stdenv, pkgsStatic, enableDebug ? false }:
+{ lib, stdenv, enableDebug ? false }:
 
 name: emulator:
 
-pkgsStatic.stdenv.mkDerivation {
+stdenv.mkDerivation {
   inherit name;
 
   src = ./binfmt-p-wrapper.c;
 
   dontUnpack = true;
   dontInstall = true;
 
+  buildInputs = [ stdenv.cc.libc.static or null ];
+
   buildPhase = ''
     runHook preBuild