bugfix: consistent use of 'int' for alpha values (#3187373)

WindowMenuAccessor returned strange alpha values if compiled
with 'g++ -Os'; unholy black magic happens if template<int> faces
functions returning only 'usigned char'.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ClockTool.hh b/src/ClockTool.hh
index cbc676f..d2b9dca 100644
--- a/src/ClockTool.hh
+++ b/src/ClockTool.hh
@@ -69,7 +69,7 @@ public:
 private:
     void updateTime();
     void update(FbTk::Subject *subj);
-    void renderTheme(unsigned char alpha);
+    void renderTheme(int alpha);
     void reRender();
     void updateSizing();