jansson: Makefile - define KAMAILIO_MOD_INTERFACE

(cherry picked from commit 86589cdda4f5390099165670d68d49f5c8b44af1)

src/modules/jansson/Makefile

@@ -23,7 +23,7 @@ else
 	LIBS+=-L$(SYSBASE)/include/lib -L$(LOCALBASE)/lib -ljansson
 endif
 
-DEFS+=-DOPENSER_MOD_INTERFACE
+DEFS+=-DKAMAILIO_MOD_INTERFACE
 
 SERLIBPATH=../../lib
 include ../../Makefile.modules