[svn] chghost: refuse spoofs which are empty or start with a colon

(would break the protocol)

ChangeLog

@@ -1,3 +1,12 @@
+jilles      2007/04/22 14:35:28 UTC	(20070422-3422)
+  Log:
+  Fix description of 043 numeric.
+  
+
+  Changes:	Modified:
+  +2 -1		trunk/doc/collision_fnc.txt (File Modified) 
+
+
 jilles      2007/04/22 14:02:54 UTC	(20070422-3420)
   Log:
   SAVE: make the nickTS of the UID nick equal to 100, so it

include/serno.h

@@ -1 +1 @@
-#define SERNO "20070422-3420"
+#define SERNO "20070422-3422"

modules/m_chghost.c

@@ -48,7 +48,7 @@ struct Message chghost_msgtab = {
 
 mapi_clist_av1 chghost_clist[] = { &chghost_msgtab, &realhost_msgtab, NULL };
 
-DECLARE_MODULE_AV1(chghost, NULL, NULL, chghost_clist, NULL, NULL, "$Revision: 3227 $");
+DECLARE_MODULE_AV1(chghost, NULL, NULL, chghost_clist, NULL, NULL, "$Revision: 3424 $");
 
 /* clean_host()
  *
@@ -60,6 +60,9 @@ static int
 clean_host(const char *host)
 {
 	int len = 0;
+	
+	if (*host == '\0' || *host == ':')
+		return 0;
 
 	for(; *host; host++)
 	{