util: eliminate dead store in hostutil_GetHostByName

Change-Id: Ibf6712ec239a5f4d163c145f5444c086277e4445
Reviewed-on: http://gerrit.openafs.org/7774
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>

src/util/hostparse.c

@@ -53,7 +53,6 @@ hostutil_GetHostByName(char *ahost)
 	}
     }
     if (numeric) {
-	tc = *ahost;		/* look at the first char */
 	/* decimal address, return fake hostent with only hostaddr field good */
 	tval = 0;
 	dots = 0;