If Asterisk is built using a DESTDIR this will cause the bundled jansson
to be installed to an unexpected location and we will fail to find it.
Change-Id: Id033e2813261e0d45232383d44c6391122169548
dest/include/jansson.h: source/config.status
$(ECHO_PREFIX) Building bundled jansson.
$(CMD_PREFIX) (cd source; make $(REALLY_QUIET))
- $(CMD_PREFIX) (cd source; make install $(REALLY_QUIET))
+ $(CMD_PREFIX) (cd source; make install DESTDIR= $(REALLY_QUIET))
.DELETE_ON_ERROR: