Fix compile error in generic mode.

Missing semi colon in tools_common.h.

Change-Id: I6a7c35a3f1f8cea36433334047ca8ececdf321a2
diff --git a/tools_common.h b/tools_common.h
index 0375003..6795e05 100644
--- a/tools_common.h
+++ b/tools_common.h
@@ -42,7 +42,7 @@
 #else
 #define fseeko fseek
 #define ftello ftell
-typedef long FileOffset /* NOLINT */
+typedef long FileOffset; /* NOLINT */
 #endif /* CONFIG_OS_SUPPORT */
 
 #if CONFIG_OS_SUPPORT