This fixes all build errors.
(Stand-alone build of FreeTDM worked fine, for some
 i-don't-really-want-to-know strange reason).
Signed-off-by: Stefan Knoblich <stkn@openisdn.net>

Needed for the mISDN/mISDNif.h header structs, linux/types.h only
provides them for kernel code:

In file included from src/ftmod/ftmod_misdn/ftmod_misdn.c:51:
/usr/include/mISDN/mISDNif.h:296: error: expected specifier-qualifier-list before 'u_int'
/usr/include/mISDN/mISDNif.h:306: error: expected specifier-qualifier-list before 'u_int'
/usr/include/mISDN/mISDNif.h:339: error: expected ')' before 'nr'
...
Signed-off-by: Stefan Knoblich <stkn@openisdn.net>

Fixed a memory leak, too short of connect times across data centers, a deadlock condition with the globals.bindings_rwlock not being released, a buffer overrun possibility or 4, and added the ability to send a body when injecting an event

prevent sql injection by using sqlite formatter on various code that generates sql stmts with switch_snprintf

This partially reverts commit 991b83d2.

man editline(3el) says that they're not.

[take #2, originally was 48acc0cd]

This reverts commit 48acc0cd.