add path

Makefile.am

@@ -102,7 +102,7 @@ CORE_CFLAGS += -I$(switch_srcdir)/libs/pcre
 CORE_CFLAGS += -I$(switch_srcdir)/libs/speex/include -Ilibs/speex/include
 CORE_CFLAGS += -I$(switch_srcdir)/libs/srtp/include
 CORE_CFLAGS += -I$(switch_srcdir)/libs/srtp/crypto/include -Ilibs/srtp/crypto/include
-CORE_CFLAGS += -I$(switch_srcdir)/libs/spandsp/src
+CORE_CFLAGS += -I$(switch_srcdir)/libs/spandsp/src -I$(switch_srcdir)/libs/tiff-3.8.2/libtiff
 
 CORE_LIBS  = libs/apr-util/libaprutil-1.la libs/apr/libapr-1.la
 CORE_LIBS += libs/sqlite/libsqlite3.la libs/pcre/libpcre.la libs/speex/libspeex/libspeexdsp.la