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-rw-r--r--ext/readline/php_readline.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/readline/php_readline.h b/ext/readline/php_readline.h
index 7a014164fc..87522728d9 100644
--- a/ext/readline/php_readline.h
+++ b/ext/readline/php_readline.h
@@ -22,7 +22,7 @@
#define PHP_READLINE_H
#if HAVE_LIBREADLINE || HAVE_LIBEDIT
-#ifdef ZTS
+#ifdef ZTS
#warning Readline module will *NEVER* be thread-safe
#endif