Added code for handling the case of using `bison' and having no

`alloca'.  Alloca is usually never called anyway, so we just use
`malloc'.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@850 ec53bebd-3082-4978-b11e-865c3cabbd6b

appl/ftp/ftpd/ftpcmd.y

@@ -112,6 +112,12 @@ static void	 sizecmd (char *);
 static void	 toolong (int);
 static int	 yylex (void);
 
+/* This is for bison */
+
+#if !defined(alloca) && !defined(HAVE_ALLOCA)
+#define alloca(x) malloc(x)
+#endif
+
 %}
 
 %union {