[cmake] add one more depth level in linkdef search

To avoid compilation error with modules=OFF or windows of the type:

In file included from .\etc\dictpch\allLinkDefs.h:86:
.\etc\dictpch\core\base\inc\LinkDef.h:8:10: fatal error: '../../os/winnt/inc/LinkDef.h' file not found
#include "../../os/winnt/inc/LinkDef.h"

Author: ferdymercury

cmake/unix/makepchinput.py

@@ -346,6 +346,7 @@ def copyLinkDefs(rootSrcDir, outdir):
    os.chdir(rootSrcDir)
    wildcards = (os.path.join("*", "inc", "*LinkDef*.h"),
                 os.path.join("*", "*", "inc", "*LinkDef*.h"),
+                os.path.join("*", "*", "*", "inc", "*LinkDef*.h"),
                 os.path.join("*", "*", "inc", "*" , "*LinkDef*.h"))
    linkDefNames = []
    for wildcard in wildcards: