/LOAD: when using '.' character in module name irssi printed glib error

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1537 dbcabf3a-b0e7-0310-adc4-f8d773084564

src/core/modules.c

@@ -239,7 +239,7 @@ static char *module_get_name(const char *path, int *start, int *end)
 
 	*start = (int) (name-path);
 	*end = *start + (ptr == NULL ? strlen(name) :
-			 (int) (module_name-ptr));
+			 (int) (ptr-module_name));
 
 	return module_name;
 }