Fix matching of module names in "widget" and "use"

Author: peter-b

grammars/lcb.cson

@@ -123,7 +123,7 @@
     'name': 'keyword.control.lcb'
 
   'define-module':
-    'match': '^\\s*(module|library|widget|use)(\\s+[^\\s]*)?\\b'
+    'match': '^\\s*(module|library|widget|use)(\\s+(?:\\w|[._])*)?\\b'
     'captures':
       '1':
         'name':