Call clang_disposeTokens() when we are done with the set of tokens.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116946 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/c-index-test/c-index-test.c b/tools/c-index-test/c-index-test.c
index 84ceab2..32cada0 100644
--- a/tools/c-index-test/c-index-test.c
+++ b/tools/c-index-test/c-index-test.c
@@ -1234,6 +1234,7 @@
     printf("\n");
   }
   free(cursors);
+  clang_disposeTokens(TU, tokens, num_tokens);
 
  teardown:
   PrintDiagnostics(TU);