patch 8.2.4119: build failure when disabling the channel feature

Problem:    Build failure when disabling the channel feature.
Solution:   Adjust #ifdef. (Dominique Pellé, closes #9545)
diff --git a/src/misc2.c b/src/misc2.c
index 971fbdf..26d3657 100644
--- a/src/misc2.c
+++ b/src/misc2.c
@@ -2902,7 +2902,6 @@
     return OK;
 }
 
-# if defined(FEAT_JOB_CHANNEL) || defined(PROTO)
 /*
  * Build "argv[argc]" from the string "cmd".
  * "argv[argc]" is set to NULL;
@@ -2929,6 +2928,7 @@
     return OK;
 }
 
+# if defined(FEAT_JOB_CHANNEL) || defined(PROTO)
 /*
  * Build "argv[argc]" from the list "l".
  * "argv[argc]" is set to NULL;