--- slim-1.2.5/cfg.cpp.orig	2006-08-18 14:18:12.000000000 +0900
+++ slim-1.2.5/cfg.cpp	2006-08-18 14:20:34.000000000 +0900
@@ -154,7 +154,7 @@
     }
     int pos = 0;
     string line = s;
-    string::size_type len = line.length();
+    int len = line.length();
     while ( pos < len && isspace( line[pos] ) ) {
         ++pos;
     }
@@ -240,7 +240,7 @@
     if (sessions.size() <= 1)
         return current;
 
-    for (int i=0; i<sessions.size()-1; i++) {
+    for (int i=0; i<(int)sessions.size()-1; i++) {
         if (current == sessions[i]) {
             return sessions[i+1];
         }