static_cast a double before returning it as a u32bit to avoid a warning

with some older versions of gcc

1 files changed, 1 insertions, 1 deletions

diff --git a/src/entropy/entropy_src.h b/src/entropy/entropy_src.h
index 78e07a7a5..a1a53fafb 100644
--- a/src/entropy/entropy_src.h
+++ b/src/entropy/entropy_src.h
@@ -41,7 +41,7 @@ class Entropy_Accumulator
          {
          if(collected_bits >= entropy_goal)
             return 0;
-         return (entropy_goal - collected_bits);
+         return static_cast<u32bit>(entropy_goal - collected_bits);
          }
 
       void add(const void* bytes, u32bit length, double entropy_bits_per_byte)