Quote defs in xiph_curl and ogg2, add Id keyword substitution.

svn path=/icecast/trunk/m4/; revision=7020

m4/ogg2.m4

@@ -7,7 +7,9 @@
 dnl XIPH_PATH_OGG([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
 dnl Test for libogg, and define OGG_CFLAGS and OGG_LIBS
 dnl
-AC_DEFUN(XIPH_PATH_OGG,
+dnl $Id$
+dnl
+AC_DEFUN([XIPH_PATH_OGG],
 [dnl 
 dnl Get the cflags and libraries
 dnl

m4/xiph_curl.m4

 dnl XIPH_PATH_CURL([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
 dnl Test for libcurl, and define CURL_CFLAGS and CURL_LIBS
 dnl
-AC_DEFUN(XIPH_PATH_CURL,
+dnl $Id$
+dnl
+AC_DEFUN([XIPH_PATH_CURL],
 [dnl 
 dnl Get the cflags and libraries
 dnl