hack so openzap only finds its own teletone includes

libs/openzap/src/detect_dtmf.c

 //#include "openzap.h"
-#include "libteletone_detect.h"
+#include "../openzap/src/include/libteletone_detect.h"
 
 int main(int argc, char *argv[])
 {

libs/openzap/src/include/libteletone.h

@@ -136,8 +136,8 @@ typedef __int16 int16_t;
 #endif
 #endif
 
-#include <libteletone_generate.h>
-#include <libteletone_detect.h>
+#include "libteletone_generate.h"
+#include "libteletone_detect.h"
 
 #ifdef HAVE_STRING_H
 #include <string.h>

libs/openzap/src/libteletone_detect.c

@@ -57,7 +57,7 @@
  *
  */
 
-#include <libteletone_detect.h>
+#include "../openzap/src/include/libteletone_detect.h"
 
 #ifndef _MSC_VER
 #include <stdint.h>

libs/openzap/src/libteletone_generate.c

@@ -33,7 +33,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <libteletone.h>
+#include "../openzap/src/include/libteletone.h"
 
 #define SMAX 32767
 #define SMIN -32768