Apply a recommendation from gcc

Gcc suggested to put parentheses around an operator to clarify a if
statement.

diff --git a/alias.c b/alias.c
index c3d31ad9c6cf33228a7be1ee1bab2c3d4c2aaa0d..8faa64bfe3691cc6a51e78669cfef2b0a82da904 100644 (file)
--- a/alias.c
+++ b/alias.c
@@ -717,7 +717,7 @@ static bool Alias_MatchIpv4(struct AliasItemStruct *alias,unsigned char *ipv4)
        n=len/8;
        m=len%8;
        if (n>0 && memcmp(ipv4,alias->Ipv4.Ip,n)!=0) return(false);
-       if (m!=0 && (ipv4[n] ^ alias->Ipv4.Ip[n]) & (0xFFU<<(8-m))!=0) return(false);
+       if (m!=0 && ((ipv4[n] ^ alias->Ipv4.Ip[n]) & (0xFFU<<(8-m)))!=0) return(false);
        return(true);
 }