[packages] freeswitch: make it fully modular, add patches to allow more modules to cross-compile

git-svn-id: svn://svn.openwrt.org/openwrt/packages@18044 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/freeswitch/patches/203-curl.patch

@@ -0,0 +1,11 @@
+--- a/build/config/libcurl.m4
++++ b/build/config/libcurl.m4
+@@ -71,7 +71,7 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG],
+      if test -d "$_libcurl_with" ; then
+         LIBCURL_CPPFLAGS="-I$withval/include"
+         _libcurl_ldflags="-L$withval/lib"
+-        AC_PATH_PROG([_libcurl_config],["$withval/bin/curl-config"])
++        _libcurl_config="$withval/bin/curl-config"
+      else
+ 	AC_PATH_PROG([_libcurl_config],[curl-config])
+      fi