Fixed a crash when not supplying a demoname upon recording.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5207 fc73d0e0-1445-4013-8a0c-d673dee63da5

engine/client/cl_demo.c

@@ -1540,10 +1540,16 @@ void CL_Record_f (void)
 	if (c == 2)	//user supplied a name
 	{
 		fname = Cmd_Argv(1);
+		
+		// See if the users supplied their own filename...
 		s = strrchr(fname, '.');
+		
+		// They did.
+		if ( s != NULL ) {
 			if (!Q_strcasecmp(s, defaultext))
 				*s = 0;	//hack away that extension that they added.
 		}
+	}
 	else
 	{	//automagically generate a name
 		if (cl.playerview[0].spectator)