PVS-Studio warning V564 for Wolf

#define SVF_CASTAI              0x00000010

char *ClientConnect( int clientNum, qboolean firstTime,
                     qboolean isBot ) {
  ...
  if ( !ent->r.svFlags & SVF_CASTAI ) {
  ...
}

This is what should have been written here: if ( ! (ent->r.svFlags & SVF_CASTAI) ) {


This suspicious code was found in Wolf project by PVS-Studio static code analyzer.
Warning message is:
V564 The '&' operator is applied to bool type value. You've probably forgotten to include parentheses or intended to use the '&&' operator. game g_client.c 1534

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/