Fixes _find_binaries not using globals

_find_binaries now sets the right globals
Binaries are now properly populated (reverse path/binary for loops)

library/service

@@ -41,6 +41,8 @@ def fail_json(d):
 def _find_binaries():
     # list of possible paths for service/chkconfig binaries
     # with the most probable first
+    global CHKCONFIG
+    global SERVICE
     paths = ['/sbin', '/usr/sbin', '/bin', '/usr/bin']
     binaries = [ 'service', 'chkconfig', 'update-rc.d' ]
     location = dict()
@@ -48,26 +50,24 @@ def _find_binaries():
     for binary in binaries:
         location[binary] = None
 
-    for path in paths:
     for binary in binaries:
+        for path in paths:
             if os.path.exists(path + '/' + binary):
                 location[binary] = path + '/' + binary
                 break
 
-
-
     if location.get('chkconfig', None):
         CHKCONFIG = location['chkconfig']
     elif location.get('update-rc.d', None):
         CHKCONFIG = location['update-rc.d']
     else:
         fail_json(dict(failed=True, msg='unable to find chkconfig or update-rc.d binary'))
-
     if location.get('service', None):
         SERVICE = location['service']
     else:
         fail_json(dict(failed=True, msg='unable to find service binary'))
 
+
 def _run(cmd):
     # returns (rc, stdout, stderr) from shell command
     process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)