If the same function used any of macros from wxCHECK() family more than once, wxDummyCheckStruct was redeclared, resulting in -Wshadow warnings from gcc. Fix this by using unique names for the dummy macro.
If the same function used any of macros from wxCHECK() family more than once, wxDummyCheckStruct was redeclared, resulting in -Wshadow warnings from gcc. Fix this by using unique names for the dummy macro.