translate-c: Fix issues translating macro define of hex float constant

* Fix incorrect result when the first digit after the decimal point is not 0-9 - eg 0x0.ap0
* Fix compiler panic when the number starts with `0X` with a capital `X` - eg 0X0p0
* Fix compiler panic when the number has a decimal point immediately after `0x` - eg 0x.0p0
bc90a2a083riverbl committed on 2/3/2022, 4:15:15 AM· committed by Andrew Kelleyparent1e6de10
2 files changedLine totals unavailable