MFH: r524531

games/openfodder: unbreak with GCC after r521658

In file included from Source/Utils/SimplexIslands.cpp:2:
Source/Utils/SimplexIslands.hpp:65:16: error: 'int32_t' does not name a type

65 |  static inline int32_t fastfloor(double fp) {
   |                ^~~~~~~

Source/Utils/SimplexIslands.hpp: In member function 'double SimplexIslands::noise(double, double)':
Source/Utils/SimplexIslands.hpp:79:11: error: 'fastfloor' was not declared in this scope

79 |   int i = fastfloor(xin + s);
   |           ^~~~~~~~~

PR: 243670
Submitted by: pkubaj
Approved by: ports-secteam blanket