Overflow of TokenSource.SourceName

Right now
strcpy(TokenSource.SourceName, "LogonUser");
However, SourceName is 8 char array: SourceName[TOKEN_SOURCE_LENGTH];

http://git.reactos.org/?p=reactos.git;a=blob;f=reactos/dll/win32/advapi32/misc/logon.c;hb=5bfc44a66fe538a655352cd384800ebe89547f77
http://git.reactos.org/?p=reactos.git;a=blob;f=reactos/dll/win32/msgina/lsa.c;hb=5bfc44a66fe538a655352cd384800ebe89547f77