misc: pmic8058-xoadc: Fix #include guard

Correct inclusion guard to prevent compilation error on
multiple header file inclusion.

Change-Id: I022b47b4ff30af9b46dc32db390003ca20db3529
Signed-off-by: Rob Walker <rwalker@codeaurora.org>
diff --git a/include/linux/pmic8058-xoadc.h b/include/linux/pmic8058-xoadc.h
index f72ad66..5163b65 100644
--- a/include/linux/pmic8058-xoadc.h
+++ b/include/linux/pmic8058-xoadc.h
@@ -12,8 +12,8 @@
  * Qualcomm XOADC Driver header file
  */
 
-#ifndef _XOADC_H
-#define _XOADC_H_
+#ifndef _PMIC8058_XOADC_H_
+#define _PMIC8058_XOADC_H_
 
 #include <linux/kernel.h>
 #include <linux/list.h>