build BUGFIX using system-specific header stdc-predef.h
build BUGFIX using system-specific header stdc-predef.h

Remove system-specific include which is automatically preincluded by a compiler.

sartura/libyang,CESNET/libyang,CESNET/libyang,sartura/libyang,sartura/libyang,sartura/libyang,sartura/libyang,sartura/libyang