My Moodle/Courses: MDL-20472 get_my_courses returns 2 more courses then limit. Repairs two off by one errors in get_my_courses and get_user_courses_bycap.

lib/accesslib.php

@@ -1118,10 +1118,12 @@ function get_user_courses_bycap($userid, $cap, $accessdata, $doanything, $sort='
         $c = make_context_subobj($c);
 
         if (has_capability_in_accessdata($cap, $c->context, $accessdata, $doanything)) {
-            $courses[] = $c;
-            if ($limit > 0 && $cc++ > $limit) {
+            if ($limit > 0 && $cc >= $limit) {
                 break;
             }
+            
+            $courses[] = $c;
+            $cc++;
         }
     }
     rs_close($rs);

lib/datalib.php

@@ -916,10 +916,12 @@ function get_my_courses($userid, $sort='visible DESC,sortorder ASC', $fields=NUL
                 // build the context obj
                 $c = make_context_subobj($c);
 
-                $courses[$c->id] = $c;
-                if ($limit > 0 && $cc++ > $limit) {
+                if ($limit > 0 && $cc >= $limit) {
                     break;
                 }
+                
+                $courses[$c->id] = $c;
+                $cc++;
             }
             rs_close($rs);
             return $courses;