fix for ftoll suggested by calc84maniac

Author: mateoconlechuga

src/crt/ftoll.c

@@ -9,7 +9,7 @@ long long _ftoll_c(float x)
     const uint24_t mantissa = UINT24_C(1) << (FLT_MANT_DIG - 1) | parts.mantissa;
     if (exponent < bias) return 0;
     if (exponent <= bias + FLT_MANT_DIG - 1) {
-        const int24_t result = mantissa >> (bias + FLT_MANT_DIG - 1 - exponent);
+        const long long result = mantissa >> (bias + FLT_MANT_DIG - 1 - exponent);
         return parts.sign ? -result : result;
     }
     const long long result = (long long)mantissa << (exponent - bias);