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

tools/c-index-test/c-index-test.c

@@ -1234,6 +1234,7 @@ int perform_token_annotation(int argc, const char **argv) {
     printf("\n");
   }
   free(cursors);
+  clang_disposeTokens(TU, tokens, num_tokens);
 
  teardown:
   PrintDiagnostics(TU);