Move memcpy of deprecated structure in rotator.c and add memcpy to amplifier.c

https://github.com/Hamlib/Hamlib/issues/960

src/amplifier.c

@@ -416,6 +416,8 @@ int HAMLIB_API amp_open(AMP *amp)
         }
     }
 
+    memcpy(&amp->state.ampport_deprecated, &amp->state.ampport,
+           sizeof(amp->state.ampport_deprecated));
 
     return RIG_OK;
 }

src/rotator.c

@@ -470,9 +470,6 @@ int HAMLIB_API rot_open(ROT *rot)
         return -RIG_EINVAL;
     }
 
-    memcpy(&rot->state.rotport_deprecated, &rot->state.rotport,
-           sizeof(rot->state.rotport_deprecated));
-
     add_opened_rot(rot);
 
     rs->comm_state = 1;
@@ -491,6 +488,9 @@ int HAMLIB_API rot_open(ROT *rot)
         }
     }
 
+    memcpy(&rot->state.rotport_deprecated, &rot->state.rotport,
+           sizeof(rot->state.rotport_deprecated));
+
     return RIG_OK;
 }