libvideoeditor: fix M4OSA_Clock header guard

CLOCK was mispelled as CLOCH

Change-Id: Ie7163fc8723d7a5b9df113f55a4a550e5465d9b5
diff --git a/libvideoeditor/osal/inc/M4OSA_Clock.h b/libvideoeditor/osal/inc/M4OSA_Clock.h
index db753a5..52ea696 100755
--- a/libvideoeditor/osal/inc/M4OSA_Clock.h
+++ b/libvideoeditor/osal/inc/M4OSA_Clock.h
@@ -21,7 +21,7 @@
  ************************************************************************
 */
 
-#ifndef M4OSA_CLOCH_H
+#ifndef M4OSA_CLOCK_H
 #define M4OSA_CLOCK_H
 
 #include "M4OSA_Types.h"