patch 8.2.3813: confusing error when using :cc without error list

Problem:    confusing error when using :cc without error list. (Gary Johnson)
Solution:   Give the "no errors" error.
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index aff4c95..c06a508 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -4633,7 +4633,11 @@
 #ifdef FEAT_QUICKFIX
 		// No error for value that is too big, will use the last entry.
 		if (eap->line2 <= 0)
+		{
+		    if (eap->addr_count == 0)
+			return _(e_no_errors);
 		    return _(e_invalid_range);
+		}
 #endif
 		break;
 	    case ADDR_QUICKFIX_VALID: