Partly unify LOCAL_CFLAGS

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/programs/Makefile b/programs/Makefile
index dc6b7a3..9ee9820 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -11,7 +11,7 @@
 # code which is in the src/test_helpers subdirectory.
 MBEDTLS_TEST_OBJS = $(patsubst %.c,%.o,$(wildcard ${MBEDTLS_TEST_PATH}/src/*.c ${MBEDTLS_TEST_PATH}/src/drivers/*.c))
 
-LOCAL_CFLAGS = $(WARNING_CFLAGS) -I../tests/include -I../include -D_FILE_OFFSET_BITS=64
+LOCAL_CFLAGS = $(WARNING_CFLAGS) -I$(MBEDTLS_TEST_PATH)/include -I../include -D_FILE_OFFSET_BITS=64
 LOCAL_CXXFLAGS = $(WARNING_CXXFLAGS) -I../include -I../tests/include -D_FILE_OFFSET_BITS=64
 LOCAL_LDFLAGS = ${MBEDTLS_TEST_OBJS} 		\
 		-L../library 			\