Diff of /src/internfile/mh_mbox.cpp [638d46] .. [b2a0e6]

  Switch to side-by-side view 

--- a/src/internfile/mh_mbox.cpp
+++ b/src/internfile/mh_mbox.cpp
@@ -525,6 +525,7 @@
 
 #include "rclconfig.h"
 #include "rclinit.h"
+#include "cstr.h"
 #include "mh_mbox.h"
 
 static char *thisprog;