Switch to git-submoduled libusdt.

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "libusdt"]
+	path = libusdt
+	url = https://github.com/chrisa/libusdt

package.json

@@ -1,6 +1,6 @@
 {
   "name" : "dtrace-provider",
-  "version" : "0.0.3",
+  "version" : "0.1.1",
   "description" : "Native DTrace providers for node.js applications",
   "keywords" : ["dtrace"],
   "homepage" : "https://github.com/chrisa/node-dtrace-provider#readme",

wscript

@@ -4,7 +4,7 @@ from os.path import exists, islink
 
 srcdir = '.'
 blddir = 'build'
-VERSION = '0.0.2'
+VERSION = '0.1.1'
 
 def set_options(ctx):
     ctx.tool_options('compiler_cxx')
@@ -18,16 +18,16 @@ def configure(ctx):
 def build(ctx):
     if sys.platform.startswith("sunos") or sys.platform.startswith("darwin"):
         ctx.new_task_gen(
-            rule = "cd ../../libusdt && make && cd -",
+            rule = "cd ../libusdt && make && cd -",
             shell = True
             )
         
         t = ctx.new_task_gen('cxx', 'shlib', 'node_addon')
         t.target = 'DTraceProviderBindings'
         t.source = ['dtrace_provider.cc', 'dtrace_probe.cc']
-        t.includes = ['../libusdt']
+        t.includes = ['libusdt']
         t.staticlib = 'usdt'
-        t.libpath = '../../libusdt'
+        t.libpath = '../libusdt'
         
 def shutdown():
     t = 'DTraceProviderBindings.node'