update twrp version to match current release

Change-Id: I444efb9f9b488c2cd5046bbe239d90abd3ef2ba5
diff --git a/variables.h b/variables.h
index f010413..d1f3786 100755
--- a/variables.h
+++ b/variables.h
@@ -17,7 +17,7 @@
 #ifndef _VARIABLES_HEADER_
 #define _VARIABLES_HEADER_
 
-#define TW_MAIN_VERSION_STR       "3.5.1_10"
+#define TW_MAIN_VERSION_STR       "3.5.2_11"
 #define TW_VERSION_STR TW_MAIN_VERSION_STR TW_DEVICE_VERSION
 #define TW_SETTINGS_FILE            ".twrps"
 #define TW_RECOVERY_NAME            "TWRP"