misc: Fix build failure/warning when building on alpine linux
alpine linux is using the musl libc and this triggered some minor
compilation issues. Remove unused mISDN include and defines from
the general E1 input handling and address the other warnings and
errors.
/usr/include/sys/fcntl.h:1:2: warning: #warning redirecting incorrect #include <sys/fcntl.h> to <fcntl.h> [-Wcpp]
#warning redirecting incorrect #include <sys/fcntl.h> to <fcntl.h>
^~~~~~~
In file included from input/misdn.c:48:0:
../include/mISDNif.h:286:2: error: unknown type name 'u_int'
u_int id;
^~~~~
Change-Id: I997e45a456faedb5f370fd02ded300c1e36b791b
3 files changed