YANG augment listener

Change-Id: I11ece665a7627d784f82247d5a33e3453632d0f9
diff --git a/utils/yangutils/src/main/resources/GeneratedYang.g4 b/utils/yangutils/src/main/resources/GeneratedYang.g4
index 3fc0f9a..a0e4468 100644
--- a/utils/yangutils/src/main/resources/GeneratedYang.g4
+++ b/utils/yangutils/src/main/resources/GeneratedYang.g4
@@ -1055,7 +1055,7 @@
      *                         "}"
      * TODO : 0..1 occurance to be checked in listener
      */
-    augmentStatement : AUGMENT_KEYWORD string LEFT_CURLY_BRACE (whenStatement | ifFeatureStatement | statusStatement
+    augmentStatement : AUGMENT_KEYWORD augment LEFT_CURLY_BRACE (whenStatement | ifFeatureStatement | statusStatement
                    | descriptionStatement | referenceStatement | dataDefStatement  | caseStatement)* RIGHT_CURLY_BRACE;
 
     /**