stdlib: Fix UB on strtod FIX

diff --git a/stdlib/strtod_l.c b/stdlib/strtod_l.c
index 06a93e2afeff7e94fd53861c7be7c2a04f8f29fc..8ab06c15c1508ed74fdc21e51be800ec4c346031 100644 (file)
--- a/stdlib/strtod_l.c
+++ b/stdlib/strtod_l.c
@@ -150,7 +150,7 @@ extern FLOAT MPN2FLOAT (mp_srcptr mpn, int exponent, int negative);
 #if    BITS_PER_MP_LIMB == 32
 # define MAX_DIG_PER_LIMB      9
 # define MAX_FAC_PER_LIMB      1000000000UL
-# define SHIFT_CTE(N)          N # U
+# define SHIFT_CTE(N)          N ## U
 #elif  BITS_PER_MP_LIMB == 64
 # define MAX_DIG_PER_LIMB      19
 # define MAX_FAC_PER_LIMB      10000000000000000000ULL