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-rw-r--r--libio/iostream.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/libio/iostream.cc b/libio/iostream.cc
index 99ed592..f4b1e16 100644
--- a/libio/iostream.cc
+++ b/libio/iostream.cc
@@ -718,7 +718,7 @@ ostream& ostream::operator<<(long double n)
if (prec <= 0 && !(flags() & ios::fixed))
prec = 6; /* default */
-#ifdef _G_HAVE_PRINTF_FP
+#if _G_HAVE_PRINTF_FP
// Do actual conversion.
struct printf_info info = { prec: prec,
width: width(0),