initdb: Fix compiler error in USE_PREFETCH case

diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
index e6c9e480d3396eadb3d65a6befc94746ada4ae0e..dc1f1df6dd0cb77ba395783a4a390b36b39c2123 100644 (file)
--- a/src/bin/initdb/initdb.c
+++ b/src/bin/initdb/initdb.c
@@ -1288,7 +1288,7 @@ setup_config(void)
    conflines = replace_token(conflines, "#dynamic_shared_memory_type = posix",
                              repltok);
 
-#if !USE_PREFETCH
+#ifndef USE_PREFETCH
    conflines = replace_token(conflines,
                              "#effective_io_concurrency = 1",
                              "#effective_io_concurrency = 0");