scripted-diff: Remove trailing whitespaces

-BEGIN VERIFY SCRIPT-

sed --in-place'' --regexp-extended 's/[[:space:]]+$//g' $(git grep -I --files-with-matches --extended-regexp '[[:space:]]+$' -- src test  ':!*.svg' ':!src/crypto/sha256_sse4*' ':!src/leveldb' ':!src/qt/locale' ':!src/secp256k1' ':!src/univalue')

-END VERIFY SCRIPT-

src/test/limitedmap_tests.cpp

@@ -50,10 +50,10 @@ BOOST_AUTO_TEST_CASE(limitedmap_test)
         // use the iterator to check for the expected key and value
         BOOST_CHECK(it->first == i);
         BOOST_CHECK(it->second == i + 1);
-        
+
         // use find to check for the value
         BOOST_CHECK(map.find(i)->second == i + 1);
-        
+
         // update and recheck
         map.update(it, i + 2);
         BOOST_CHECK(map.find(i)->second == i + 2);