platform: msm_shared: add missing continuation line

Add missing line continuation in make file to avoid
compilation failure.

Change-Id: I31d21ab65be2a3123fd8ed2d5034e550dc3906db
diff --git a/platform/msm_shared/rules.mk b/platform/msm_shared/rules.mk
index 81e3f70..9d9196c 100755
--- a/platform/msm_shared/rules.mk
+++ b/platform/msm_shared/rules.mk
@@ -471,7 +471,7 @@
 			$(LOCAL_DIR)/shutdown_detect.o \
 			$(LOCAL_DIR)/certificate.o \
 			$(LOCAL_DIR)/image_verify.o \
-			$(LOCAL_DIR)/i2c_qup.o
+			$(LOCAL_DIR)/i2c_qup.o \
 			$(LOCAL_DIR)/mdp3.o \
 			$(LOCAL_DIR)/display.o \
 			$(LOCAL_DIR)/mipi_dsi.o \