glib-compat.h: change assert to g_assert include/glib-compat.h defines a bunch of functions based on glib primitives, and uses assert() without including assert.h. Replace assert() with g_assert() to make the file more self-contained, and to fix compilation breakage after 28507a415a9b1e. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>