add framework to cflags

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10647 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/asr_tts/mod_cepstral/Makefile

 LOCAL_INSERT_LDFLAGS=if test $$osarch = "Darwin" ; then echo "-framework swift" ; else echo "-L$(SWIFT_HOME)/lib -L/opt/swift/lib -lswift -lm" ; fi ;
 
-LOCAL_INSERT_CFLAGS=test $$osarch = "Darwin" || echo "-I$(SWIFT_HOME)/include -I/opt/swift/include";
+LOCAL_INSERT_CFLAGS=if test $$osarch = "Darwin" ; then echo "-framework swift" ; else echo "-I$(SWIFT_HOME)/include -I/opt/swift/include"; fi ;
 LOCAL_CFLAGS=-w
 include ../../../../build/modmake.rules