patch 8.2.3197: error messages are spread out

Problem:    Error messages are spread out.
Solution:   Move a few more error messages to errors.h.
diff --git a/src/quickfix.c b/src/quickfix.c
index daf27d7..d1671b2 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -1769,7 +1769,7 @@
 	retval = qfl->qf_count;
 	goto qf_init_end;
     }
-    emsg(_(e_readerrf));
+    emsg(_(e_error_while_reading_errorfile));
 error2:
     if (!adding)
     {