ash: fix bug which causes signal6.tests to fail

function                                             old     new   delta
trapcmd                                              271     277      +6
localcmd                                             277     275      -2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/route.c b/networking/route.c
index 241be8e..a319962 100644
--- a/networking/route.c
+++ b/networking/route.c
@@ -178,7 +178,7 @@
 			int prefix_len;
 
 			prefix_len = xatoul_range(prefix+1, 0, 32);
-			mask_in_addr(rt) = htonl( ~ (0xffffffffUL >> prefix_len));
+			mask_in_addr(rt) = htonl( ~(0xffffffffUL >> prefix_len));
 			*prefix = '\0';
 #if HAVE_NEW_ADDRT
 			rt.rt_genmask.sa_family = AF_INET;