Update SQLite3 Drivers

Update bundled drivers to version 1.2.4.

vendor/plugins/sqlite3-ruby/ext/sqlite3_api/extconf.rb

@@ -0,0 +1,16 @@
+require 'mkmf'
+
+SWIG_WRAP = "sqlite3_api_wrap.c"
+
+dir_config( "sqlite3", "/usr/local" )
+
+have_library( "rt", "fdatasync" )
+
+if have_header( "sqlite3.h" ) && have_library( "sqlite3", "sqlite3_open" )
+  if !File.exists?( SWIG_WRAP ) || with_config( "swig", false )
+    puts "creating #{SWIG_WRAP}"
+    system "swig -ruby sqlite3_api.i" or raise "could not build wrapper via swig (perhaps swig is not installed?)"
+  end
+
+  create_makefile( "sqlite3_api" )
+end