Refix ?/ error message format to handle 64-bit and 32-bit size_t without

compiler warning noises.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@2194 c06c8d41-db1a-0410-9941-cceddc491573

1 files changed, 4 insertions, 7 deletions

diff --git a/crawl-ref/source/command.cc b/crawl-ref/source/command.cc
index 047dcf32e3..50b17ed9a2 100644
--- a/crawl-ref/source/command.cc
+++ b/crawl-ref/source/command.cc
@@ -1023,13 +1023,10 @@ static bool find_description()
         }
         else
         {
-            char num_buf[10];
-            sprintf(num_buf, "%lu", key_list.size());
-            list_commands_err  = "Too many matching ";
-            list_commands_err += type;
-            list_commands_err += "s (";
-            list_commands_err += num_buf;
-            list_commands_err += ") to display";
+            std::ostringstream os;
+            os << "Too many matching " << type << "s (" << key_list.size()
+               << ") to display.";
+            list_commands_err = os.str();
         }
         return (false);
     }