patch 8.1.1260: comparing with pointer instead of value

Problem:    Comparing with pointer instead of value.
Solution:   Add a "*". (Ken Takata, closes #4336)
diff --git a/src/usercmd.c b/src/usercmd.c
index ca01a3c..45d7ea0 100644
--- a/src/usercmd.c
+++ b/src/usercmd.c
@@ -824,10 +824,10 @@
 		emsg(_("E179: argument required for -addr"));
 		return FAIL;
 	    }
-	    if (parse_addr_type_arg(val, (int)vallen,  addr_type_arg) == FAIL)
+	    if (parse_addr_type_arg(val, (int)vallen, addr_type_arg) == FAIL)
 		return FAIL;
-	    if (addr_type_arg != ADDR_LINES)
-		*argt |= (ZEROR) ;
+	    if (*addr_type_arg != ADDR_LINES)
+		*argt |= ZEROR;
 	}
 	else
 	{