Add stdlib include required for atof()

src/chirp/chirp.cpp

@@ -4,6 +4,7 @@
 #include "stdio.h"
 #include <cstring>
 #include <signal.h>
+#include <stdlib.h>
 
 bool running=true;
 

src/dvb/dvbrf.cpp

@@ -3,6 +3,7 @@
 #include "stdio.h"
 #include <cstring>
 #include <signal.h>
+#include <stdlib.h>
 
 // DVBS ENCODER
 extern "C" 

src/rpitxv1/rpitx.cpp

@@ -25,6 +25,7 @@
 #include <stdarg.h>     /* va_list, va_start, va_arg, va_end */
 #include <cstring>
 #include <signal.h>
+#include <stdlib.h>
 
 
 #define PROGRAM_VERSION "2.0"
@@ -361,4 +362,4 @@ int main(int argc, char* argv[])
         case MODE_RPITX_RF:delete(fmsender);break;
     }
 
-}
+}

src/sendiq.cpp

@@ -3,6 +3,7 @@
 #include "stdio.h"
 #include <cstring>
 #include <signal.h>
+#include <stdlib.h>
 
 bool running=true;
 

src/tune.cpp

@@ -3,6 +3,7 @@
 #include "stdio.h"
 #include <cstring>
 #include <signal.h>
+#include <stdlib.h>
 
 bool running=true;