lzms_common.h: add cast needed if sizeof(int) > sizeof(u32)

diff --git a/include/wimlib/lzms_common.h b/include/wimlib/lzms_common.h
index 56e351109546a0db14e821203de58758b6b0c16e..6db35b77fcbad1cc432fa8165545589d6b3b155d 100644 (file)
--- a/include/wimlib/lzms_common.h
+++ b/include/wimlib/lzms_common.h
@@ -119,7 +119,7 @@ lzms_get_probability(const struct lzms_probability_entry *prob_entry)
         *      if (prob == 0)
         *              prob++;
         */
-       prob += (prob - 1) >> 31;
+       prob += (u32)(prob - 1) >> 31;
 
        /*
         *      if (prob == LZMS_PROBABILITY_DENOMINATOR)