# 
# 
# patch "tester.cc"
#  from [a7a2a1ecb40d6d77167cd62f8240fd7394fb7bdb]
#    to [38655910140ae01d3c76a292555de0e84a24dcd5]
# 
============================================================
--- tester.cc	a7a2a1ecb40d6d77167cd62f8240fd7394fb7bdb
+++ tester.cc	38655910140ae01d3c76a292555de0e84a24dcd5
@@ -88,9 +88,9 @@ void set_env(char const * var, char cons
   // note: this leaks memory, but the tester is short lived so it probably
   // doesn't matter much.
   string * tempstr = new string(var);
-  tempstr += '=';
-  tempstr += val;
-  putenv(tempstr.c_str());
+  tempstr->append("=");
+  tempstr->append(val);
+  putenv(const_cast<char *>(tempstr->c_str()));
 #else
 #error set_env needs to be ported to this platform
 #endif