log/SubsystemMap: return a size_t from get_num

Signed-off-by: John Spray <john.spray@redhat.com>

diff --git a/src/log/SubsystemMap.h b/src/log/SubsystemMap.h
index 9700adc62ece352ca4a2dfb71cedd81e8d0f7921..789cff7ade4f5538b5d875ea02f030f0bbe866cf 100644 (file)
--- a/src/log/SubsystemMap.h
+++ b/src/log/SubsystemMap.h
@@ -28,7 +28,7 @@ class SubsystemMap {
 public:
   SubsystemMap() : m_max_name_len(0) {}
 
-  int get_num() const {
+  size_t get_num() const {
     return m_subsys.size();
   }