Restructure: Move sample from common code to 'libsample'

src/libsdr/display_iq.c

@@ -23,7 +23,7 @@
 #include <math.h>
 #include <pthread.h>
 #include <stdlib.h>
-#include "../common/sample.h"
+#include "../libsample/sample.h"
 #include "../common/sender.h"
 
 /* must be odd value! */

src/libsdr/display_spectrum.c

@@ -22,7 +22,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
-#include "../common/sample.h"
+#include "../libsample/sample.h"
 #include "../common/sender.h"
 #include "../libfft/fft.h"
 

src/libsdr/sdr.c

@@ -29,7 +29,7 @@ enum paging_signal;
 #define __USE_GNU
 #include <pthread.h>
 #include <unistd.h>
-#include "../common/sample.h"
+#include "../libsample/sample.h"
 #include "../libfm/fm.h"
 #include "../libtimer/timer.h"
 #include "../common/sender.h"

src/libsdr/sdr_config.c

@@ -24,7 +24,7 @@ enum paging_signal;
 #include <string.h>
 #include <stdint.h>
 #include <getopt.h>
-#include "../common/sample.h"
+#include "../libsample/sample.h"
 #include "sdr.h"
 #include "sdr_config.h"