msm_otg: Fix forbidden compilation warning.

Change-Id: I2ab64a955932cab0769c6106dd4aa746458e5dd9
Signed-off-by: Gregory Bean <gbean@codeaurora.org>
diff --git a/drivers/usb/otg/msm_otg.c b/drivers/usb/otg/msm_otg.c
index 3c130e9..4658469 100644
--- a/drivers/usb/otg/msm_otg.c
+++ b/drivers/usb/otg/msm_otg.c
@@ -2144,7 +2144,6 @@
 static int msm_otg_pm_resume(struct device *dev)
 {
 	struct msm_otg *motg = dev_get_drvdata(dev);
-	int ret = 0;
 
 	dev_dbg(dev, "OTG PM resume\n");
 
@@ -2153,7 +2152,7 @@
 	 * Do not resume hardware as part of system resume,
 	 * rather, wait for the ASYNC INT from the h/w
 	 */
-	return ret;
+	return 0;
 #endif
 
 	return msm_otg_resume(motg);