fix automake 1.7 build

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12487 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/speex/Makefile.am

@@ -2,7 +2,7 @@
 
 # To disable automatic dependency tracking if using other tools than
 # gcc and gmake, add the option 'no-dependencies'
-AUTOMAKE_OPTIONS = 1.8
+AUTOMAKE_OPTIONS = 1.7
 
 m4datadir = $(datadir)/aclocal
 m4data_DATA = speex.m4