Revert "; Fix last change in lib/sig2str.h."

This reverts commit 91e7b47d6c56e7963be232de8057e1a3f710f1b5.
It is no longer needed with the introduction of nt/inc/signal.h.

(cherry picked from commit e218d090876d9bffca06284247cc4cba89677ec9)

diff --git a/lib/sig2str.h b/lib/sig2str.h
index bfb207777cc97200a6a05061964753b97d779888..03d50c94317a0a8dcf85efac65be83772fafdfd9 100644 (file)
--- a/lib/sig2str.h
+++ b/lib/sig2str.h
@@ -17,11 +17,6 @@
 
 /* Written by Paul Eggert.  */
 
-/* This file uses HAVE_* macros.  */
-# if !_GL_CONFIG_H_INCLUDED
-#  error "Please include config.h first."
-# endif
-
 #include <signal.h>
 
 /* Maximum size of a signal name returned by sig2str(), including the