fix exp10l.c to include float.h

the previous commit was a no op in exp10l because LDBL_* macros
were implicitly 0 (the preprocessor does not warn about undefined
symbols).

diff --git a/src/math/exp10l.c b/src/math/exp10l.c
index 33abc8b52e5213cf3a762226203dc5d06a03b52f..4f9469aebd7b17e2b2d3955436a7f82bd823c1a7 100644 (file)
--- a/src/math/exp10l.c
+++ b/src/math/exp10l.c
@@ -1,4 +1,5 @@
 #define _GNU_SOURCE
+#include <float.h>
 #include <math.h>
 #include "libc.h"