Port statistics collection

Change-Id: I15ad34d01267673cb64077bd89da0a8566531492
diff --git a/Makefile b/Makefile
index 770f9a3..a7e7477 100644
--- a/Makefile
+++ b/Makefile
@@ -122,6 +122,7 @@
 	-I$(BAL_DIR)/bal_release/src/common/os_abstraction/posix \
 	-I$(BAL_DIR)/bal_release/src/common/config \
 	-I$(BAL_DIR)/bal_release/src/core/platform \
+	-I$(BAL_DIR)/bal_release/src/core/main \
 	-I$(BAL_DIR)/bal_release/src/common/include \
 	-I$(BAL_DIR)/bal_release/src/lib/libbalapi \
 	-I$(BAL_DIR)/bal_release/3rdparty/maple/sdk/host_driver/utils \