MSVC compilers complain about snprintf

[Andrew Dunstan]

The MSVC compilers are whingeing about recent changes in snprintf.c:


   src\port\snprintf.c(1051): warning C4146: unary minus operator
   applied to unsigned type, result still unsigned


The line in question reads:

   uvalue = -(unsigned long long) value;

cheers

andrew

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Andrew Dunstan                https://www.2ndQuadrant.com
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