Changed spandsp from using TRUE and FALSE to using C99 true and false. It seems

like the quirks we used to get using those with C++ have gone away.

libs/spandsp/src/t30_logging.c

@@ -41,6 +41,11 @@
 #if defined(HAVE_MATH_H)
 #include <math.h>
 #endif
+#if defined(HAVE_STDBOOL_H)
+#include <stdbool.h>
+#else
+#include "spandsp/stdbool.h"
+#endif
 #include "floating_fudge.h"
 #include <tiffio.h>