chg: legic cmds uses return macros.

chg: hf search started to use macros

include/pm3_cmd.h

@@ -549,6 +549,8 @@ typedef struct {
 #define PM3_EINIT             -15
 // Expected a different answer error    client/pm3: error when expecting one answer and got another one
 #define PM3_EWRONGANSVER      -16
+// Memory out-of-bounds error           client/pm3: error when a read/write is outside the expected array
+#define PM3_EOUTOFBOUND       -17
 // No data                              pm3:        no data available, no host frame available (not really an error)
 #define PM3_ENODATA           -98
 // Quit program                         client:     reserved, order to quit the program