fixed pclint warning

inc/framework/common/string_util.h

@@ -52,7 +52,7 @@ class GE_FUNC_VISIBILITY StringUtils {
     return s;
   }
   // lint -esym(551,*)
-  static std::string &Rtrim(std::string &s) {  /*lint !e618*/
+  static std::string &Rtrim(std::string &s) { /*lint !e618*/
 #if __cplusplus >= 201103L
     (void)s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](int c) { return !std::isspace(c); }));
 #else
@@ -76,8 +76,8 @@ class GE_FUNC_VISIBILITY StringUtils {
   ///  @param [in] delim  separator
   ///  @return string array after segmentation
   ///
-  static std::vector<std::string> Split(const std::string &str, char delim) {
-    std::vector<std::string> elems;
+  static std::vector<std::string> Split(const std::string &str, char delim) { /*lint !e1077*/
+    std::vector<std::string> elems;                                           /*lint !e1077*/
 
     if (str.empty()) {
       elems.emplace_back("");