glib: patch to fix w/musl, quark static ctor order assumptions

From [1] with prefix added, using local copy to avoid dep on fetchpatch.

[1] https://raw.githubusercontent.com/void-linux/void-packages/master/srcpkgs/glib/patches/quark_init_on_demand.patch

pkgs/development/libraries/glib/default.nix

@@ -54,6 +54,7 @@ stdenv.mkDerivation rec {
 
   patches = optional stdenv.isDarwin ./darwin-compilation.patch
     ++ optional doCheck ./skip-timer-test.patch
+    ++ optional stdenv.hostPlatform.isMusl ./quark_init_on_demand.patch
     ++ [ ./schema-override-variable.patch ];
 
   outputs = [ "out" "dev" "devdoc" ];

pkgs/development/libraries/glib/quark_init_on_demand.patch

@@ -0,0 +1,33 @@
+--- glib-source/glib/gquark.c	2016-08-17 17:20:47.000000000 +0200
++++ glib-source/glib/gquark.c	2016-08-30 07:49:13.298234757 +0200
+@@ -57,6 +57,9 @@
+ void
+ g_quark_init (void)
+ {
++  if (quark_ht)
++    return;
++
+   g_assert (quark_seq_id == 0);
+   quark_ht = g_hash_table_new (g_str_hash, g_str_equal);
+   quarks = g_new (gchar*, QUARK_BLOCK_SIZE);
+@@ -138,9 +141,12 @@
+     return 0;
+ 
+   G_LOCK (quark_global);
++#if !defined(__GLIBC__)
++  g_quark_init ();
++#endif
+   quark = GPOINTER_TO_UINT (g_hash_table_lookup (quark_ht, string));
+   G_UNLOCK (quark_global);
+
+   return quark;
+ }
+ 
+@@ -280,6 +286,7 @@
+   GQuark quark;
+   gchar **quarks_new;
+ 
++  g_quark_init ();
+   if (quark_seq_id % QUARK_BLOCK_SIZE == 0)
+     {
+       quarks_new = g_new (gchar*, quark_seq_id + QUARK_BLOCK_SIZE);