PVS-Studio warning V560 for Notepad++

#define SCE_T3_OPERATOR 5
#define SCE_T3_BRACE 20

static inline bool IsAnOperator(const int style) {
  return style == SCE_T3_OPERATOR || SCE_T3_BRACE;
}

This is what should have been written here: return style == SCE_T3_OPERATOR || style == SCE_T3_BRACE;

This suspicious code was found in Notepad++ project by PVS-Studio static code analyzer.
Warning message is:
V560 A part of conditional expression is always true: 20. lextads3.cxx 700

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/