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/httprpc.cpp

@@ -86,7 +86,7 @@ static void JSONErrorReply(HTTPRequest* req, const UniValue& objError, const Uni
 //This function checks username and password against -rpcauth
 //entries from config file.
 static bool multiUserAuthorized(std::string strUserPass)
-{    
+{
     if (strUserPass.find(':') == std::string::npos) {
         return false;
     }