remove superfluous semicolons

sys/include/transceiver.h

@@ -80,7 +80,7 @@ typedef struct {
 typedef struct {
     transceiver_type_t transceivers;
     void *data;
-} transceiver_command_t;;
+} transceiver_command_t;
 
 /* The transceiver thread's pid */
 extern int transceiver_pid;

sys/lib/hashtable_private.h

@@ -32,7 +32,7 @@ static inline unsigned int
 indexFor(unsigned int tablelength, unsigned int hashvalue)
 {
     return (hashvalue % tablelength);
-};
+}
 
 /* Only works if tablelength == 2^N */
 /*static inline unsigned int