Add RIG_CONF_INT

Fix AGC_LAST value thanks to cppcheck

include/hamlib/rig.h

@@ -860,7 +860,8 @@ enum rig_conf_e {
     RIG_CONF_NUMERIC,       /*!<    Numeric type integer or real */
     RIG_CONF_CHECKBUTTON,   /*!<    on/off type */
     RIG_CONF_BUTTON,        /*!<    Button type */
-    RIG_CONF_BINARY         /*!<    Binary buffer type */
+    RIG_CONF_BINARY,        /*!<    Binary buffer type */
+    RIG_CONF_INT            /*!<    Integer */
 };
 
 //! @cond Doxygen_Suppress
@@ -970,7 +971,7 @@ typedef unsigned int ant_t;
 
 
 //! @cond Doxygen_Suppress
-#define RIG_AGC_LAST -1
+#define RIG_AGC_LAST 99999
 //! @endcond
 
 #if 1 // deprecated

tests/rigctl_parse.c

@@ -3419,6 +3419,10 @@ declare_proto_rig(get_level)
             fprintf(fout, "%f%c", val.f, resp_sep);
             break;
 
+        case RIG_CONF_INT:
+            fprintf(fout, "%d%c", val.i, resp_sep);
+            break;
+
         case RIG_CONF_STRING:
             fprintf(fout, "%s%c", val.s, resp_sep);
             break;