Add oc_core_res.i to swig Makefile
Without this added to the Makefile the build would fail when
building the Java JAR files.
@@ -65,7 +65,7 @@ DTLSFLAGS=-I../deps/mbedtls/include -D__OC_RANDOM
LDFLAG += -lm
SRC = oc_uuid oc_endpoint oc_rep oc_collection oc_clock oc_storage \
- oc_api oc_obt oc_pki oc_introspection
+ oc_api oc_obt oc_pki oc_introspection oc_core_res
# Swig interfaces source
SWIG_INTERFACE_SRC = $(addsuffix .i, $(SRC))
