[0.4.11][NETCFGX] Fix 1 MSVC2010SP1 x86 dbg warning C4553 CORE-18104
the warning could be observed with MSVC 2010SP1 (16.0.40219.1) x86 target in dbg configuration:
[10847/12816] Building C object dll\win32\netcfgx\CMakeFiles\netcfgx.dir\propertypage.c.obj
C:\0411rls\reactos\dll\win32\netcfgx\propertypage.c(319) : warning C4553: '==' : operator has no effect; did you intend '='?
Fix picked from 0.4.12-dev-656-g
c0d97cec8884fde689c145c7d50ef944d378f666
The bug was introduced by 0.4.11-dev-308-g
91ba4e73508a0168796af9fed67557ade3a6f792