Bugfix: if an xml attribute for an integer array is an empty string,

an array of length 1 with a 0 would be returned instead of an empty
array.


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@6529 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/utils/string_utils.cpp

@@ -126,7 +126,7 @@ namespace StringUtils
         try
         {
             std::string::size_type start=0;
-            while(start!=std::string::npos)
+            while(start!=std::string::npos && start<s.size())
             {
                 std::string::size_type i=s.find(c, start);
                 if (i!=std::string::npos)