fixed some build problems

libcelt/dump_modes.c

@@ -107,7 +107,7 @@ void dump_modes(FILE *file, CELTMode *modes, int nb_modes)
    }
 }
 
-#if 1
+#if 0
 int main()
 {
    CELTMode *m = celt_mode_create(44100, 1, 256, 128, NULL);

libcelt/testcelt.c

@@ -39,6 +39,7 @@
 #include <stdlib.h>
 #include <math.h>
 #include <string.h>
+#include "os_support.h"
 
 int main(int argc, char *argv[])
 {