Change an error message

Author: mgreter

src/bind.cpp

@@ -57,8 +57,11 @@ namespace Sass {
           }
         }
         std::stringstream msg;
-        msg << "wrong number of arguments (" << LA << " for " << LP << ")";
-        msg << " for `" << name << "'";
+        msg << "Only " << LP << " ";
+        msg << (LP <= 1 ? "argument" : "arguments");
+        msg << " allowed, but " << LA << " ";
+        msg << (LA <= 1 ? "was" : "were");
+        msg << " passed.";
         return error(msg.str(), as->pstate(), traces);
       }
       Parameter_Obj p = ps->at(ip);

src/util_string.hpp

@@ -2,6 +2,7 @@
 #define SASS_UTIL_STRING_H
 
 #include "sass.hpp"
+#include <algorithm>
 #include <vector>
 
 namespace Sass {