twrp release: 3.5.1_9

Change-Id: I13dfadea507d7050cec35d00d5cfabdf25462b15
diff --git a/variables.h b/variables.h
index 57b6485..58adc9c 100644
--- a/variables.h
+++ b/variables.h
@@ -17,7 +17,7 @@
 #ifndef _VARIABLES_HEADER_
 #define _VARIABLES_HEADER_
 
-#define TW_MAIN_VERSION_STR       "3.5.0_9"
+#define TW_MAIN_VERSION_STR       "3.5.1_9"
 #define TW_VERSION_STR TW_MAIN_VERSION_STR TW_DEVICE_VERSION
 #define TW_SETTINGS_FILE            ".twrps"
 #define TW_RECOVERY_NAME            "TWRP"