Use inout in mir.format_impl.printHexAddressGen to reduce potential template bloat

Author: nordlow

source/mir/format_impl.d

@@ -213,8 +213,9 @@ size_t printHexAddress(ulong c, ref dchar[16] buf, bool upper) { return printHex
 static if (is(ucent))
 size_t printHexAddress(ucent c, ref dchar[32] buf, bool upper) { return printHexAddressGen!(ucent, dchar)(c, buf, upper); }
 
-size_t printHexAddressGen(T, C)(T c, ref C[T.sizeof * 2] buf, bool upper)
+size_t printHexAddressGen(T, C)(inout(T) c_, ref C[T.sizeof * 2] buf, bool upper)
 {
+    T c = c_;                   // strip off inout
     static if (T.sizeof == 16)
     {
         printHexAddress(cast(ulong)(c >> 64), buf[0 .. 16], upper);